Question

which following u.s. ally had notably not fallen by the time america entered wwii? france britain the philippines

Explanation:

France fell to Germany in June 1940. The Philippines was over - run by the Japanese after the U.S. entered WWII in December 1941. Britain, however, withstood German attacks like the Battle of Britain and remained unconquered by the time the U.S. entered WWII in December 1941.

Answer:

B. Britain