During the American Revolution,enslaved African Americans in the Colonies

During the American Revolution,enslaved African Americans in the colonies

A) joined the British army in large numbers to fight against their American masters.
B) were not significantly affected by the conflict.
C) tried to help Loyalists escape to Canada in exchange for their freedom.
D) were assisted by the British to escape, as a way to disrupt the American war effort.
E) were offered their freedom by Americans if they fought against the British.