Question

How did the northwest ordinance of 1787 affect the expansion of slavery?

Answer 1

Slavery forbidden in the Northwest Territory. Slavery and involuntary servitude were forbidden in the Northwest Territory, thereby making the Ohio River a natural dividing line between the free and slave states of the country.

Answer 2

Slavery was forbidden in the Northwest Territory. Slavery and involuntary servitude were also forbidden in the Northwest Territory. Ohio River was made a natural dividing line the land of the free slaves and the slave states of the country. A unanimous consent from the states was made to protect the slaves from being the victims of slavery.