Which of the Following Is True? During WW II

Which of the following is true? During WW II

A) Combat sports were introduced to girls and women's physical education classes and became very popular.
B) Calisthenics and "head to head" athletic competition was discouraged in favor of team sports like basketball, baseball, and tennis.
C) Women were trained as pilots and flew new airplanes from the factory to military bases worldwide.
D) Football was the most popular sport in America; President Roosevelt asked famous professional football players like Joe DiMaggio to lead by example and enlist in the Army.
E) All of the above are true.