Question

By the start of World War I, America had emerged as a global power. A large part of this power had to do with American expansion overseas. What territories did America acquire during the late 19th and early 20th centuries? What competing arguments exist regarding this period of territorial expansion? With which interpretation do you agree, and why?

Answer 1

Can someone please help

Answer 2

http://en.wikipedia.org/wiki/United_States_territorial_acquisitions

http://en.wikipedia.org/wiki/American_imperialism