Why was plutonium production important in the early days of the [Hanford] site? Check all that apply.
A) It was used to manufacture guns and ammunition.
B) It was the first step in the process of making uranium.
C) It was used to produce power at the Grand Coulee Dam.
D) It helped the United States and its allies win World War II.
E) It was an important ingredient for building an atomic bomb.