Which describes the importance of Valley Forge to Americans during the Revolutionary War?

A.
The British were not able to defeat the Americans and withdrew from Philadelphia.

B.
During the winter at Valley Forge, American forces were able to retake New York.

C.
After the hardships of Valley Forge, the American army was stronger, prouder, and better trained.

D.
The French army was able to use Valley Forge as a base for raids into Canada.