After japan's attack of the u. s pacific naval fleet at the pearl harbor the united states a. entered world war 2 on the side of the allies
b. started weapon shipments to china to help them fight the japanese
c. dropped atomic weapons on the capital city of paris in 1940
d. became determined to stay out of the war completely

A. Entered WWII on the side of the Allies

answer: ensure protection from communism

explanation:

the north atlantic treaty was largely dormant until the korean war initiated the establishment of nato to implement it, by means of an integrated military structure: this included the formation of supreme headquarters allied powers europe in 1951, which adopted the western union's military structures and plans.

(b) britain had a much larger navy than the u.s.

(d) the u.s. had a small army compared to britain.