Which of the following is true about the United States in World War II?

A) It first declared an isolated position, but later moved to diplomacy and intervention to help end the war.

B) It first declared an international position, but later moved to imperialism to take control of the situation.

C) It first declared an imperial position, but later moved to diplomacy and military isolation to avoid death.

D) It first declared a diplomatic position, but later moved to isolation as the war continued without relief.