How did labor reform movements influence the American workplace in 1830 and 1840

The labor movement in the United States grew out of the need to protect the common interest of workers.

Explanation:

what are the choices?

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.