Civil War Key Terms and Historical Significance

Vocabulary practice flashcards providing definitions and historical significance for key Civil War terms.

Confederate States of America

The government formed in 1861 by eleven Southern states that seceded from the United States to preserve the institution of slavery and states' rights; historically significant for waging the Civil War against the Union until its defeat and collapse in 1865.

Anaconda Plan

A military strategy proposed early in the Civil War by Union General Winfield Scott to blockade Southern ports and seize control of the Mississippi River; historically significant for providing the strategic blueprint that economically starved the Confederacy and split it into two.

Robert E. Lee

The commander of the Confederate Army of Northern Virginia and the leading military figure of the South during the Civil War; historically significant for commanding key Southern victories such as Chancellorsville and Fredericksburg, and whose surrender at Appomattox Court House effectively concluded the war.

Trent Affair

An 1861 diplomatic incident in which a U.S. Navy ship intercepted the British mail steamer Trent and removed two Confederate diplomats heading to Europe; historically significant because it pushed the Union and Great Britain to the brink of war until President Lincoln defused tensions by releasing the envoys.

Cotton Diplomacy

The Confederate diplomatic strategy attempting to coerce Great Britain and France into providing military and diplomatic support by withholding Southern cotton exports; historically significant because it failed when European nations found alternative cotton supplies in Egypt and India and declined to recognize the Confederacy.

Gettysburg Address

A short, monumental speech delivered by President Abraham Lincoln in November 1863 dedicating a national cemetery at the Gettysburg battlefield; historically significant for redefining the Civil War as a struggle not merely for the preservation of the Union, but for human equality and a 'new birth of freedom.'

Emancipation Proclamation

An executive order issued by President Abraham Lincoln on January 1, 1863, declaring free all enslaved persons held within territories in rebellion against the Union; historically significant for transforming the Civil War into an explicit crusade against slavery and officially authorizing the enlistment of Black soldiers in the Union military.

Sherman March

A scorched-earth military campaign led by Union General William Tecumseh Sherman across Georgia from Atlanta to Savannah in late 1864; historically significant for destroying Confederate infrastructure, crushing civilian and military morale through total war, and hastening the defeat of the South.

Confiscation Acts

Legislation passed by the U.S. Congress in 1861 and 1862 authorizing the seizure of Confederate property used to aid the rebellion, including enslaved people; historically significant as an early congressional step toward emancipation that legally protected escaped enslaved persons entering Union lines.

Massachusetts 54th Regiment

One of the first official African American combat units in the Union Army, recruited under the leadership of Colonel Robert Gould Shaw; historically significant for their heroic assault on Fort Wagner, which helped disprove racist stereotypes about Black combat capabilities and spurred widespread African American military enlistment.

Copperheads

A faction of Northern Peace Democrats who vehemently opposed the Civil War and Lincoln's administration, advocating for an immediate negotiated settlement with the Confederacy; historically significant for representing dangerous internal political opposition and anti-war sentiment within the North.

New York Draft Riots

Violent civil disturbances that erupted in New York City in July 1863, predominantly fueled by working-class and Irish-American men protesting federal conscription and emancipation; historically significant for highlighting severe racial tensions, class divisions, and violent northern resistance to the wartime draft.

Suspension of Habeas Corpus

The emergency constitutional action taken by President Abraham Lincoln allowing military authorities to arrest and detain suspected Confederate sympathizers and saboteurs without immediate formal trial; historically significant for establishing executive wartime authority and provoking enduring debates over civil liberties versus national security.

Homestead Act 1862

Federal legislation granting 160 acres of public western land to citizens who paid a nominal registration fee and agreed to cultivate and reside on the parcel for five years; historically significant for spurring rapid westward expansion and economic development by free-soil agrarian families during the Civil War.

Morrill Tariff Act and Land Act.

Major wartime economic legislation consisting of a high tariff to protect northern manufacturing (1861) and land-grant measures providing federal acreage to establish state agricultural and technical colleges (1862); historically significant for expanding northern industrial power and laying the foundation for modern public higher education in the United States.

Assassination of Abraham Lincoln

The murder of President Abraham Lincoln by Confederate sympathizer John Wilkes Booth at Ford's Theatre on April 14, 1865, shortly after the end of the Civil War; historically significant because it deprived the nation of Lincoln's moderate leadership, leading to a bitter and chaotic Reconstruction era under Andrew Johnson and Radical Republicans.