Which statement accurately describes events in the Soviet Union in World War II?

AThe Soviet Union became an ally of the United States and Great Britain during World War II.

BThe Russian people were so opposed to Stalin that they refused to fight against the Nazis.

CHitler admired the Russian people and considered them to be part of his so-called "master race."

DStalin violated the friendship pact he had signed with Hitler and invaded Germany in 1941.