Answer: The Center of powers shifted from Western Europe to the USA and the USSR
Explanation:
i would say A.)Immigrants helped fill jobs during a period when the nation experienced a shortage of workers.
hope this helps:)sorry if it doesnt
Answer:
As more railroads were built, it helped to expand the nation and the West Industries cropped up in the West and used the railroads to link industry to markets in the Eastern part of the nation.
The "War Hawks" in the United States were mainly "<span>frontier settlers and farmers of the West and South who wanted to expand America's frontiers," although this phrase can apply throughout world history to mean any group that is in favor of war. </span>
