USA HISTORY

Detailed explanation-1: -Congress adopted this legislation and admitted Missouri as a slave state and Maine as a non-slave state at the same time, so that the balance between slave and free states in the nation would remain equal.

Detailed explanation-2: -In an effort to preserve the balance of power in Congress between slave and free states, the Missouri Compromise was passed in 1820 admitting Missouri as a slave state and Maine as a free state.

Detailed explanation-3: -Congress established Maine as the 23rd state under the Missouri Compromise of 1820. This arrangement allowed Maine to join the Union as a free state, with Missouri entering a year later as a slave state, thereby preserving the numerical balance between free and slave states in the nation.

Detailed explanation-4: -Contents. The Missouri Compromise of 1820 was a law that tried to address growing sectional tensions over the issue of slavery. By passing the law, which President James Monroe signed, the U.S. Congress admitted Missouri to the Union as a state that allowed slavery, and Maine as a free state.

Detailed explanation-5: -At the time, there were 11 free states and 10 slave states. Southern congressmen feared that the entrance of Missouri as a free state would upset the balance of power between North and South, as the North far outdistanced the South in population, and thus, U.S. representatives.