Federation of American Scientists
Fas: Soviet Union Security Concerns
This article examines the Soviet Union's concerns about its sphere of influence during the Cold War and its desire to protect its interests.
Khan Academy
Khan Academy: Ap Us History Period 6: 1865 1898: Quiz
This practice exercise from Khan Academy covers Period 6: 1865-1898 in American History. The Gilded Age is reviewed in this resource. This resource is designed as a review for the AP US History Test.
Other
On Line History of the United States: The Age of Imperialism
Online history page containing numerous links to specific incidents of U.S. expansion in the Pacific, Latin America, China, and Cuba.
Independence Hall Association
U.s. History: Reaching to Asia
Read about American entrance into the spheres of influence in Asia beginning as early as Commadore Perry and his opening of Japan. Find out about American policy in China, Theodore Roosevelt's Nobel Peace Prize, and U.S. relations with...