Whichof the following was true of secretary of state william henry seward a. he negotiated the purchase of alaska from canada b. he opposed american imperial expansion c. he was successful in negotiating a trade deal with the kingdom of hawaii d. he annexed the midway islands

silk

indigo  

rice

all the other answers are wrong

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.