This is " Introduction to World War II" by CommonLit
How do paragraphs 6-7 contribute to the development of ideas in the text?

A. They prove that the United States primarily benefited from WWII as the Great
Depression ended.
B. They show that the United States experienced negative and positive
consequences from the war.
C. They emphasize the United States’ desire to preserve the civil liberties of
citizens.
D. They reinforce the idea that the United States never should have entered WWII.