Answer:

By the time of Missouri Compromise of 1820, the dividing line between the slave and free states was called the Mason-Dixon line (between Maryland and Pennsylvania), with its westward extension being the Ohio River. The 1787 Constitutional Convention debated slavery, and for a time slavery was a major impediment to passage of the new constitution.

Explanation:

Explanation:

• In United States, a slave sate was a state in which the practice of slavery was legal while a free state was a state in which slavery was prohibited.