What Did the Great Depression and World War II Do

What did the Great Depression and World War II do to the public's expectations regarding employment?

A) They made Americans realize that unemployment was an unfortunate but largely irremediable occurrence.
B) They made Americans realize that unemployment could only be solved by a major international crisis, such as a war.
C) They showed that the government could help to ensure full employment.
D) They showed that the government could only solve unemployment when inflation levels were kept high.
E) They showed that ill-advised government programs could cause large increases in unemployment.