Which combination of factors most directly led to the baby boom?

A.
the Fair Deal, the growth of the suburbs, overcrowding in urban areas

B.
the return of young servicemen, increased prosperity, a sense of security

C.
need for a large younger population, government benefits, the Taft-Hartley Act

D.
women leaving their jobs, the GI Bill, creation of incentives for population growth

B. The return of young servicemen, increased prosperity, and a sense of security most directly led to the baby boom.

B. the return of young servicemen, increased prosperity, a sense of security