Between 1935 and 1957 a period that included World War 2 the birth rate rose from 16.9 to 25 per 1000 people What was the most likely cause of this baby boom?

AnswerYou said it: World War 2. During the war, the government encouraged women to have children. That was not emphasized as much in US as it was in Germany.

Then after the War, the soldiers returned home and the women left the factories and they wanted to settle down and live in peace. The world was finally at peace after 5 years of war and 10 years of turmoil that lead up to it.

Economy. The US economy went from a Depression in 1933 to become a confident nation on the world's market. The average family worked hard and prospered, which lends to larger families.