This topic involves the topic of American involvement in which America "conquered and annexed" various countries that were at times welcoming and others resented the involvement. It requires extensive research which is best conducted by you since you have the knowledge of the requirements.
However, I have located a web site which I believe will help you immensely.
The Age of Imperialism
During the late nineteenth and early twentieth centuries, the United States pursued an aggressive policy of expansionism, extending its political and economic influence around the globe. That pivotal era in the history of our nation is the subject of this on-line history.
Contents
Expansion in the Pacific:
A Letter to an Emperor
Footholds in the Pacific
The Spanish-American War:
Remember the Maine
A Splendid Little War
A Gift from the Gods
The Boxer Rebellion
The Panama Canal
U.S. Intervention in Latin America
Lesson Plan
Image Credits
Bibliography
gatita
Degree in History (focus Jewish studies) and Spanish, New Mexico State U. 1990