Until about 1820 a continual threat to American commercial interests were the a Spanish.
b Dutch.
c French.
d Barbary Pirates.

C french or A spanish

Explanation:

gays

explanation:

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.