Answer:
A lot of people from other countries immigrated to USA.
Explanation:
Answer: Globalization is the only reason the US is as powerful and influential as it is today. By strengthening other global markets the US is securing its future. If we took a more isolationist approach we wouldn't make as much money, and would fall from being a global superpower.
Explanation:
Answer:
By studying the details and the different opinions of each of the historians