The executions of sacco and vanzetti in the 1920s demonstrated the

i just did something on this guy a few days a go give me two minutes to find it in my notes.

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.