This compromise drew a line of slavery at latitude 36°30'.

A. Dred Scott Decision

B. Kansas-Nebraska Act

C. Missouri Compromise of 1820

D. Missouri Compromise of 1850

C. Missouri Compromise of 1820

In 1820, amid growing sectional tensions over the issue of slavery, the U. S. Congress passed a law that admitted Missouri to the Union as a slave state and Maine as a free state, while banning slavery from the remaining Louisiana Purchase lands located north of the 36º 30' parallel.