Which factor contributed most to the beginning of the women's-rights movement in
the United States during the mid-1800s?

i think the answer is b.

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.