How did the Revolutionary War affect slaves?

The American Revolution had profound effects on the institution of slavery. Several thousand slaves won their freedom by serving on both sides of the War of Independence. As a result of the Revolution, a surprising number of slaves were manumitted, while thousands of others freed themselves by running away.

Explanation:

the answer for 3 is b and the answer for 4 is d

the supreme court can hear any case it wishes as long as four justices agree to hear it.

hope this , give me brainliest answer =j