The author argues that the overall impact of the World War II on the U.S. Homefront was which of the following?
1) The war disrupted people's lives, but everything more or less went back to normal once the war was over.
2) The wars in Europa and the Pacific had a minimal impact on the lives of citizens back home in the United States.
3) The mobilization of Americans to fight a two-front, two-ocean war produced major industrial and economic changes in American life that were permanent and lasting.