American Civil War Study Guide Notes

First Battle of Bull Run/Manassas (July 21, 1861 – Manassas, Virginia)

Brief Context: Following the secession of Southern states and the attack on Fort Sumter, public pressure in the North demanded a swift end to the rebellion. The Union army, largely untrained, marched towards Richmond, the Confederate capital.
Union Generals: Irvin McDowell
Confederate Generals: P.G.T. Beauregard, Joseph E. Johnston
Instigator/Reason for Fighting: The Union sought to quickly subdue the Confederacy by capturing Richmond. The Confederacy aimed to defend its capital and assert its independence.
Outcome and Casualties: Confederate victory. Union casualties were approximately 2,900 (killed, wounded, and captured/missing), while Confederate casualties were around 2,000.
Significance: This battle shattered the illusion of a short war and highlighted the inexperience of both armies. It led to a greater commitment to military organization and training on both sides.
How the Victor Used Advantages: The Confederates benefited from a strong defensive position along Bull Run and the timely arrival of reinforcements via railroad. Their familiarity with the terrain also played a role.

Battle of Fort Donelson (February 11-19, 1862 – Fort Donelson, Tennessee)

Brief Context: Following the capture of Fort Henry, Union forces under Ulysses S. Grant moved against the strategically important Fort Donelson, which controlled access to the Cumberland River.
Union Generals: Ulysses S. Grant
Confederate Generals: Gideon J. Pillow, John B. Floyd, Simon Bolivar Buckner
Instigator/Reason for Fighting: The Union sought to gain control of key waterways in the Western Theater and open a path towards the heart of the Confederacy. The Confederacy aimed to defend these vital transportation routes.
Outcome and Casualties: Union victory. Union casualties were approximately 2,800, while Confederate casualties were around 14,600 (mostly captured).
Significance: This was the Union's first major victory of the war, significantly boosting Northern morale and opening up Kentucky and much of Tennessee to Union forces. It also earned Ulysses S. Grant the nickname "Unconditional Surrender" Grant.
How the Victor Used Advantages: Grant's aggressive and persistent tactics, coupled with superior numbers and naval support, overwhelmed the Confederate defenders. His demand for unconditional surrender demoralized the Confederate leadership.

Battle of Shiloh (April 6-7, 1862 – Pittsburg Landing, Tennessee)

Brief Context: Union forces under Grant had advanced into Tennessee. Confederate forces under Albert Sidney Johnston launched a surprise attack on the Union camps near Shiloh Church.
Union Generals: Ulysses S. Grant, Don Carlos Buell
Confederate Generals: Albert Sidney Johnston, P.G.T. Beauregard
Instigator/Reason for Fighting: The Confederacy aimed to drive the Union forces out of Tennessee and regain lost territory. The Union sought to consolidate its gains in the West.
Outcome and Casualties: Union victory. Union casualties were approximately 13,000, while Confederate casualties were around 10,700 (including the death of General Johnston).
Significance: This bloody battle shocked the nation with its high casualty count, demonstrating the brutal reality of the war. It solidified Grant's position in the West, although it also led to criticism of his preparedness.
How the Victor Used Advantages: Despite being initially surprised, the Union forces held their ground until reinforcements under Buell arrived on the second day, turning the tide against the exhausted Confederates.

Battle of Antietam (September 17, 1862 – Sharpsburg, Maryland)

Brief Context: Confederate General Robert E. Lee launched his first invasion of the North, hoping to gain foreign recognition and relieve pressure on Virginia. Union General George B. McClellan intercepted Lee's army.
Union Generals: George B. McClellan
Confederate Generals: Robert E. Lee
Instigator/Reason for Fighting: The Confederacy aimed to take the offensive, hoping for a decisive victory on Northern soil. The Union sought to repel the invasion and protect its territory.
Outcome and Casualties: Technically a Union victory, although McClellan's failure to decisively pursue the retreating Confederates was heavily criticized. It was the bloodiest single-day battle in American history, with approximately 23,000 total casualties.
Significance: This battle halted Lee's invasion of the North and provided President Lincoln with the opportunity to issue the preliminary Emancipation Proclamation. It also dissuaded European powers from formally recognizing the Confederacy.
How the Victor Used Advantages: The Union had a significant numerical advantage. While McClellan was slow to act, the sheer weight of Union numbers eventually forced the Confederates to withdraw.

Battle of Fredericksburg (December 11-15, 1862 – Fredericksburg, Virginia)

Brief Context: Newly appointed Union General Ambrose Burnside launched a frontal assault on well-entrenched Confederate positions on Marye's Heights.
Union Generals: Ambrose Burnside
Confederate Generals: Robert E. Lee, James Longstreet, Thomas "Stonewall" Jackson
Instigator/Reason for Fighting: Burnside aimed to cross the Rappahannock River and advance on Richmond. Lee positioned his army to block the Union advance.
Outcome and Casualties: Confederate victory. Union casualties were approximately 12,600, while Confederate casualties were around 5,300.
Significance: This was a devastating defeat for the Union, highlighting the tactical brilliance of Lee and the folly of Burnside's frontal assaults. It further demoralized the Northern public.
How the Victor Used Advantages: The Confederates held a strong defensive position on high ground, allowing them to inflict heavy casualties on the advancing Union troops.

Battle of Chancellorsville (April 3 – May 6, 1863 – Chancellorsville, Virginia)

Brief Context: Union General Joseph Hooker attempted to outmaneuver Lee's army. However, Lee, despite being outnumbered, daringly split his forces, sending Stonewall Jackson on a flanking attack.
Union Generals: Joseph Hooker
Confederate Generals: Robert E. Lee, Thomas "Stonewall" Jackson
Instigator/Reason for Fighting: Hooker aimed to destroy Lee's army and advance on Richmond. Lee sought to defend Virginia and potentially launch another offensive into the North.
Outcome and Casualties: Confederate victory. Union casualties were approximately 17,000, while Confederate casualties were around 13,000 (including the mortal wounding of Stonewall Jackson).
Significance: This is considered Lee's greatest tactical victory, achieved against a larger Union force. However, Jackson's death was a significant loss for the Confederacy.
How the Victor Used Advantages: Lee's bold strategy of dividing his smaller army and Jackson's swift and decisive flanking maneuver caught the Union forces by surprise and led to their rout.

Siege of Vicksburg (May 18 – July 4, 1863 – Vicksburg, Mississippi)

Brief Context: Union forces under Ulysses S. Grant laid siege to the strategically vital Confederate city of Vicksburg, which controlled the Mississippi River.
Union Generals: Ulysses S. Grant
Confederate Generals: John C. Pemberton
Instigator/Reason for Fighting: The Union sought to gain complete control of the Mississippi River, effectively splitting the Confederacy in two. The Confederacy aimed to hold this crucial stronghold.
Outcome and Casualties: Union victory. Confederate casualties were approximately 31,000 (mostly captured), while Union casualties were around 4,800.
Significance: The fall of Vicksburg, coinciding with the Union victory at Gettysburg, marked a major turning point in the war. It gave the Union control of the Mississippi River and severely weakened the Confederacy.
How the Victor Used Advantages: Grant's relentless siege tactics, cutting off supplies and constantly pressuring the defenders, eventually led to the city's surrender. Union naval power also played a crucial role in isolating Vicksburg.

The Battle of Gettysburg (July 1-3, 1863 – Gettysburg, Pennsylvania)

Brief Context: Lee launched his second invasion of the North, hoping to decisively defeat the Union army on Northern soil. The two armies met at the small town of Gettysburg.
Union Generals: George G. Meade
Confederate Generals: Robert E. Lee
Instigator/Reason for Fighting: Lee aimed to take the offensive, hoping for a victory that would force the North to sue for peace. The Union sought to repel the invasion and protect its territory.
Outcome and Casualties: Union victory. Union casualties were approximately 23,000, while Confederate casualties were around 28,000.
Significance: This was a major turning point in the Eastern Theater. Lee's defeat crippled the Confederacy's ability to launch further large-scale offensives into the North.
How the Victor Used Advantages: The Union forces held strategically important high ground (Cemetery Ridge), which they effectively defended against repeated Confederate assaults. The resilience of the Union troops and the failure of Pickett's Charge were crucial factors.
Lincoln made the Gettysburg Address on November 19, 1863 @ Soldier’s National Cemetery

Battle of Spotsylvania Court House (May 8-21, 1864 – Spotsylvania County, Virginia)

Brief Context: Following the Battle of the Wilderness, Grant continued his relentless Overland Campaign towards Richmond, engaging Lee's army in a series of bloody and inconclusive battles around Spotsylvania Court House.
Union Generals: Ulysses S. Grant
Confederate Generals: Robert E. Lee
Instigator/Reason for Fighting: Grant aimed to continuously pressure Lee's army and wear down the Confederacy's resources. Lee sought to block the Union advance on Richmond.
Outcome and Casualties: Inconclusive, but with heavy casualties on both sides (estimated over 30,000 total).
Significance: This battle exemplified Grant's strategy of attrition, even in the face of heavy losses. It demonstrated the Union's willingness to absorb casualties to achieve its objectives. The "Bloody Angle" became a symbol of the brutal fighting.
How the Victor Used Advantages: While not a clear victory, Grant's ability to continuously reinforce his army and his determination to keep pressing the attack despite heavy losses were key advantages. Lee, despite his tactical brilliance, was beginning to suffer from dwindling manpower.

Sherman's March to the Sea (November 15 – December 21, 1864 – George (Atlanta to Savannah)

Brief Context: Following the capture of Atlanta, Union General William Tecumseh Sherman led his army on a destructive march through Georgia, aiming to cripple the Confederacy's infrastructure and morale.
Union Generals: William Tecumseh Sherman
Confederate Generals: Various local commanders, but no major Confederate army opposed Sherman's advance.
Instigator/Reason for Fighting (or lack thereof): Sherman aimed to wage "total war," breaking the will of the Southern people and destroying their capacity to wage war. The Confederacy was largely unable to mount a significant defense in Georgia at this point.
Outcome and Casualties: Union victory. Minimal organized fighting, but significant destruction of Confederate property and infrastructure.
Significance: This campaign significantly weakened the Confederacy's ability to continue the war and had a profound psychological impact on the South. It demonstrated the Union's dominance and foreshadowed the end of the conflict.
How the Victor Used Advantages: The Union possessed overwhelming numerical superiority in Georgia at this time. Sherman's army was well-supplied and faced little organized resistance, allowing them to move freely and implement their destructive strategy.

Advantages and Disadvantages During the Civil War

Advantages
Disadvantages

Union (North)

Larger population, providing a greater pool of manpower for the army and industry.
Greater industrial capacity, allowing for the production of more weapons, ammunition, and supplies.
More extensive railroad network, facilitating the movement of troops and goods.
Stronger navy, enabling blockades of Southern ports and control of waterways.
More established government and financial system.
Had to conquer and occupy a vast territory.
Longer supply lines, making logistics more challenging.
Less experienced military leadership in the early stages of the war.
Public opinion in the North was not always united in support of the war.

Confederacy (South)

Fighting a defensive war on familiar terrain.
More experienced military leadership in the early stages of the war (e.g., Robert E. Lee).
Stronger military tradition and a more martial society.
Belief in the righteousness of their cause, boosting morale.
Smaller population and limited manpower.
Limited industrial capacity and difficulty producing war materials.
Less developed railroad network, hindering transportation.
Weak central government and financial system.
Potential for foreign intervention based on cotton exports.
Reliance on slave labor, which was a moral and economic liability.

Strategies of the Union and Confederacy

Union Strategy (Anaconda Plan)

Naval Blockade: Blockade Southern ports to prevent the export of cotton and the import of supplies.
Control of the Mississippi River: Divide the Confederacy by gaining control of this vital waterway.
Capture Richmond: Seize the Confederate capital to cripple their government.
Later Strategies: Included Sherman's "total war" tactics and Grant's strategy of attrition in the Eastern Theater.

Confederacy Strategy

Defensive War: Primarily fight a defensive war, hoping to wear down the Union's will to fight.
Offensive-Defensive: Occasionally launch offensives into Union territory to relieve pressure, gain foreign recognition, and potentially secure a decisive victory.
King Cotton Diplomacy: Leverage the importance of Southern cotton to European textile industries to gain diplomatic recognition and potentially military support.

King Cotton/Cotton Diplomacy

Key Information: The Confederacy believed that the economic importance of Southern cotton to Great Britain and France would compel these European powers to recognize and support the Confederacy. They withheld cotton exports early in the war to pressure Europe.
Significance: Cotton diplomacy largely failed. European nations found alternative sources of cotton (e.g., Egypt, India) and were hesitant to support a nation founded on slavery. The Union blockade also significantly hampered cotton exports.
Effects: The failure of cotton diplomacy isolated the Confederacy diplomatically and prevented crucial foreign intervention.

The Trent Affair

Key Information: In November 1861, a U.S. Navy warship intercepted the British mail steamer Trent and removed two Confederate diplomats en route to Europe (James M. Mason and John Slidell).
Significance: This incident created a major diplomatic crisis between the United States and Great Britain, which viewed the action as a violation of international law. Britain demanded an apology and the release of the diplomats.
Effects: To avoid war with Britain, the Lincoln administration eventually apologized and released the diplomats. However, the incident strained relations between the two countries and highlighted the challenges of maintaining neutrality during the war.

Union, Confederate, and Border States

Union States (Loyal to the Federal Government)

Located primarily in the North. Examples include Maine, New York, Pennsylvania, Ohio, Illinois, California, Oregon, and eventually West Virginia (which seceded from Virginia).

Confederate States (Seceded from the Union)

Located in the South. Included South Carolina, Mississippi, Florida, Alabama, Georgia, Louisiana, Texas, Virginia, Arkansas, North Carolina, and Tennessee.

Border States (Slaveholding states that remained in the Union)

Strategically important as they bordered both the North and South. Included Delaware, Maryland, Kentucky, and Missouri. These states were deeply divided in their loyalties, and Lincoln had to carefully navigate their status to maintain Union support without alienating them.

The Emancipation Proclamation

Key Information: Issued by President Abraham Lincoln in two parts: a preliminary proclamation on September 22, 1862 (following the Battle of Antietam), and the final proclamation on January 1, 1863. It declared that all slaves in Confederate-held territory were to be freed. It did not apply to slaves in the border states or in Union-occupied areas of the South.
Significance:
- Moral Cause: It shifted the focus of the war to include the abolition of slavery, giving the Union a stronger moral purpose.
- Foreign Policy: It made it less likely that European powers would support the Confederacy, which was now clearly fighting to preserve slavery.
- Military Impact: It allowed African Americans to enlist in the Union Army and Navy, providing a crucial source of manpower.
Effects:
- Weakened the Confederacy by depriving it of labor and encouraging slaves to flee to Union lines.
- Strengthened the Union's moral standing at home and abroad.
- Led to the eventual passage of the 13th Amendment, which abolished slavery throughout the United States.