Haitian Revolution
(18th-19th century).
Successful slave revolt leading to Haiti's independence.
Louisiana Purchase
(1803) was a major land acquisition by the U.S. from France, doubling the nation's size and expanding its territory west of the Mississippi River.
Manifest Destiny
(19th century)
Belief in US territorial expansion across North America.
Missouri Compromise
(19th century)
Agreement maintaining balance between slave and free states.
Monroe Doctrine
(19th century)
US policy opposing European colonialism in the Americas.
Worcester v. Georgia
(19th century)
Supreme Court case affirming Native American sovereignty.
Underground Railroad
(19th century)
Network aiding enslaved people's escape to freedom.
Nat Turner’s Rebellion
(19th century)
Slave rebellion leading to stricter slave laws in the South.
Battle of the Alamo
(19th century)
Key event in Texas Revolution, symbol of Texan resistance.
Mexican-American War
(19th century)
Conflict leading to US acquiring southwestern territories.
Treaty of Guadalupe Hidalgo (
19th century)
Treaty ending Mexican-American War, ceding land to the US.
Kansas-Nebraska Act
(19th century)
Law allowing territories to decide on slavery, leading to conflict.
Emancipation Proclamation
(19th century)
Lincoln's order freeing slaves in Confederate states.
Fourteenth Amendment
(19th century)
Granted citizenship and equal protection to all born in the US.
Fifteenth Amendment
(19th century)
Prohibited voting discrimination based on race or servitude.