Passage of the lend lease act in 1941 signaled the end of American neutrality in World War II. Option B is correct.
The Lend-Lease Act was the principal means for providing U.S. military aid to foreign nations during World War II.
The Lend Lease Act was passed by president Franklin D. Roosevelt in order to enabled certain countries including China, Great Britain, and France, to utilize supplies and even military weapons from the United States. This made evident the support of the United States to the Allied powers in the war.
