Missouri Compromise

Agreement made to keep the balance of slave and free states equal. Missouri was added as a slave state and Maine added as a free state in 1821.

Act that superseded The Missouri Compromise and allowed the territories in that state to decide whether or not they were to be free or slave territories based on popular sovereignty.

Known as the "Great Pacificator" for his work on developing components for The Missouri Compromise.

The President of the United States from 1817 to 1825.

Maine and Missouri are added to the U.S.

Political group founded in 1954 as a group supporting anti-slavery.

The boundary line in the Missouri Compromise that separated the North from the South

The case that found The Missouri Compromise unconstitutional. Finding that Congress had no say in declaring what territories could or could not be slave or free states.

Senator known for designing the Kansas-Nebraska Act.