How did the Revolutionary War affect enslaved African Americans?

How did the Revolutionary War affect enslaved African Americans?

How did the Revolutionary War affect enslaved African Americans? Did it create any openings for freedom or further negotiation with slaveowners? Were enslaved African Americans more likely to favor the American patriot forces or the British? Why? 

Must be 900 words. No essay. just answer each question. APA guideline, correct grammar and cite if you use someone else idea. At least 3 to 4 references.