What is the Gadsden Purchase about and what did it do? ( 5-7 or at least a paragraph plz)

north atlantic treaty organization.

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.