Why Were Slaves Sometimes Able to Negotiate New Relationships with Their

Why were slaves sometimes able to negotiate new relationships with their masters during the Revolutionary War?

A) Food shortages in the North placed a heavier emphasis on southern food production, and southern planters needed the cooperation of their slaves to increase their output.
B) The need for more soldiers led many southern slaveowners to free their slaves and their families if the slaves agreed to enlist in the Continental Army.
C) Wartime labor shortages and the British promise of freedom to slaves who agreed to fight for them gave slaves more power to ask for privileges.
D) The emancipation of slaves in the northern states during the war put added pressure on southern slaveowners to convince their slaves not to run away.