What is Imperialism? What are the theories of imperialism?

What is Imperialism? What are the theories of imperialism?

-Write a 3 page essay, double spaced, 12pt font. Provide a work cited for your online sources. (2-3) -Use the powerpoint slides i provided for information as well -What is imperialism? -What are the theories of imperialism? -Explain how & why the U.S. became an imperialistic power and who they conquered -Explain how & why Britain became an imperialistic power and who they conquered -How did they justify it?