Question

Which example displays a challenge the US faced on the European front of WWII?

A.all of these
B.American ships carrying food and supplies had to fight German submarines and aircraft while crossing the Atlantic to get to Great Britain
C.reliance on gasoline for mobile combat caused shortages and delays
D.alternative longer routes were taken to avoid conflict with Germans to provide lend-leased goods to Soviet Union

Answer 1

All of these applies

American ships carrying food and supplies had to fight German submarines and aircraft while crossing the Atlantic to get to Great Britain

Reliance on gasoline for mobile combat caused shortages and delays

Alternative longer routes were taken to avoid conflict with Germans to provide lend-leased goods to Soviet Union