When war erupted in europe in 1939, the response of the united states was
a) to remain neutral.
b) to assist only britain.
c) to immediately commit combat troops to the european front.
d) to send troops to europe, but not engage the enemy in battle.

When war erupted in Europe in 1939, the response of the United States was one of "isolation," since most Americans did not want to get involved in another European conflict, which they felt was none of their business. 

Explanation:

When war exploded in Europe in 1939 the United States was decorated in the combat. The President then was Franklin Delano Roosevelt.Ê Following the United States announced war on Japan, both Germany and Italy declared war on us. So we announced war right back.