What part did railroads play in western settlement in the late 1800s? #1: railroads played almost no part. #2: they carried millions of settlers westward. #3: the reduced competition for land. #4: they provided jobs and transported goods.

a. theta waves. this is because the person is in a light sleep which means the brain waves would show these kind of waves.

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.