American Revolutionary War :)
Answer:
It proclaimed the freedom of slaves in the ten Confederate states still in rebellion. It also decreed that freed slaves could be enlisted in the Union Army, thereby increasing the Union's available manpower.
So I'm guessing D or B.
Answer: It led to the Revolutionary War.
Explanation: The colonists didn’t like how they were forced to allow British soldiers in their homes, so the Qualtering Act was one of the events leading up to the final straw: the Revolutionary War.