Yes I believe that it is b I hope that I helped you:)
Answer:
Socially and Economically
Socially, the intensive indoctrination of the American people led to a regression of social reforms.
Economically, enormous growth spurred by industries related to war was aided by heavy government expansion.
Explanation:
Many people migrated from the North and East to the Sun Belt states during the 1950s because of the interstate highway system.