The 1819-1820 debate over Missouri's admission as a state revealed deepening sectional divides in American politics related to slavery. The Missouri Compromise allowed Missouri to enter as a slave state while maintaining a balance with Maine as a free state. This event marked the beginning of significant North-South tensions leading to future conflicts over slavery. ;
The state in question is Missouri, whose admission as a slave state prompted the Missouri Compromise in 1819-1820, reinforcing sectional divides between North and South. The compromise admitted Maine as a free state and established a boundary for slavery in the Louisiana Territory. This event marked a crucial point in the emerging tensions over slavery in the United States.
;