This was known as the "iron curtain." It was a term used to describe the boundary in Europe, which formed at the end of WWII and lasted until the ending of the Cold War.
Answer:Buffalo soldier, nickname given to members of African American cavalry regiments of the U.S. Army who served in the western United States from 1867 to 1896, mainly fighting Indians on the frontier. The nickname was given by the Indians, but its significance is uncertain.
Explanation:
People had to build more houses, find supplies, create new jobs, and have more schools and doctors.