This idea represented the belief in America's responsibility to expand westward.
Manifest destiny
This other name for the compromise of 1820 attempted to settle the issue of slavery in the United States.
Missouri Compromise
The shelling of this Union fort in South Carolina is generally marked as the beginning of the Civil War
Fort Sumter
This amendment secured the right to vote for all men, above the age of 21, in 1870.
In 1861, Mexico was fully distracted from the Civil War due to an invasion by this European power.
France
This president annexed Texas into the United States.
John Tyler
Bleeding Kansas
This battle, attended by many curious onlookers from Washington, D.C. and its surrounding townships proved the war would not be over quickly.
First battle of Bull Run
This federal agency, from 1865-1872, provided clothing, provisions, education, and legal counsel to newly freed African Americans.
Freedman's Bureau
This diplomatic kerfuffle led to Lincoln facing wide condemnation from his party, but ultimately kept relations with Great Britain amicable.
Trent Affair
Mormons
This legislator crafted much of the compromise of 1850 before his death in 1852.
Henry Clay
These two ships dueled in a new form of naval warfare, as the Confederates and Union contested the high seas.
Merrimack, Monitor.
Radical Republicans
This state was created in 1861 when an autonomous region declared itself for the Union.
West Virginia
This river served as the border for Texas and Mexico, at least in Mexico's opinion.
Nueces River
This horrific incident on the floor of the United States senate reflected increasingly violent political debates over slavery in 1856.
Sumner-Brooks incident
Serving as the Union commanding officer for much of the early phase of the war, this general's unwillingness to commit to decisive action against Lee's army of Northern Virginia saw him replaced in November of 1863.
George McClellan
While many may have had good intentions, this group of Northern bureaucrats, lawyers, preachers, and opportunists were grouped derisively by Southerners into this term.
By the spring of 1865, the writing was on the wall for this man who served as president of the Confederacy for its lifespan.
Jefferson Davis
The final stake in the Transcontinental railroad was struck here in May of 1869.
Promontory Point, Utah
This last ditch effort to save the Union was roundly rejected for its willingness to enshrine protections for slavery into the U.S. Constitution.
Crittenden Compromise
General Sherman promised this in Special Field Order No. 15 to African Americans as he cut across the south in his "march to the sea".
40 acres and a mule
Knights of the White Camelia
This battle during the siege of Petersburg was precipitated by a large munitions explosion, trying to break the trench warfare that had developed during the spring of 1865.
Battle of the Crater