Please answer this
The spread of slavery was slowed by _____.
Select the best answer from the choices provided.
A.
the Northwest Ordinance
B.
the Declaration of Independence
C.
the Constitution
D.
the Northwest Treaty
The spread of slavery was slowed by _____.
Select the best answer from the choices provided.
A.
the Northwest Ordinance
B.
the Declaration of Independence
C.
the Constitution
D.
the Northwest Treaty