Final answer:
The most dramatic increase in labor force participation among women after World War II occurred among married women with young children.
Step-by-step explanation:
The statement is true.
After World War II, there was a significant increase in labor force participation among married women with young children. Many women who had previously been homemakers joined the workforce to support their families financially. This increase in labor force participation was due to several factors, including the economic security of the postwar era and the desire to provide a better life for their children by having additional income.