Prior to the Lend-Lease Act, what was the United States involvement in WWII?

A. The United States sold weapons and military supplies to allied countries.
B. The United States had no involvement in World War II until after the attack on
Pearl Harbor.
C. The United States had soldiers actively involved on the ground in Europe only.
D. The United States had soldiers actively involved on both the Pacific and
European fronts.

A. The United States sold weapons and military supplies to allied countries.