I would like to answer, but not enough info..
Answer:
African Americans would run away from their slave masters, and using the underground railroad and other systems of fleeing, they would flock to the North and join the army. There were also many slave rebellions that weakened the south.
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B, the answer is b.
Motet: <span>a short piece of sacred choral music, typically polyphonic and unaccompanied.</span>
Answer: C. It forced them to support the recapture of escaped enslaved persons.
Explanation: The North was in heavy opposition to slavery. The Fugitive slave act made it so that any escaped slave ( whether they were in a free state or not) could be captured and returned into slavery, when beforehand if a slave entered a free state they were free.
I really hope this helps!