During the Revolutionary War,why Did Slaves Not Always Enjoy Positive

During the Revolutionary War,why did slaves not always enjoy positive results after they escaped from a southern owner?

A) The British found the large numbers of slave women and children burdensome and often returned them to their former owners.
B) When the British army retreated, they always left the former slaves behind to slow down the advancing American troops.
C) The British army transported most escaped slaves to the Caribbean islands, where they were sold back into slavery.
D) Living conditions in the British camps were harsh, and many former slaves succumbed to smallpox and other diseases.