American expansion abroad was fueled by all of the following except "the closing of the frontier" since this was mainly a domestic issue.
Speaker of the House of Representatives
Answer:
D.
Explanation:
" Concurrent powers are powers of a federal system of government shared by both the federal government and each constituent political unit (such as states or province) "
Answer:
A pilot during the WWI.
Explanation:
World War I was one of the greatest war in Europe, which saw many casualties and destruction in Europe. Being a pilot in fighter plane during World War I was vital. Fighter pilot known as Aces. They kept destroyed enemies planes and claimed victories. Pilots played a significant role in the war as they track locations of enemies camps and attacked them. Some of them became popular and seen as modern Knights.
