American Museum of Natural History
Being an Archeologist: Chuck Spencer
Meet Chuck Spencer, an archeologist who studies the Zapotec people who lived in the Valley of Oaxaca, Mexico over 2000 years ago. Spencer shares in print his response to questions posed by kids.
Gilder Lehrman Institute of American History
Gilder Lehrman Institute: History Now: Empire Building
[Free Registration/Login Required] A lengthy essay about American focus on foreign affairs after the Civil War, expanding particularly in the late 19th century. Read about U.S. exploits in the Caribbean, Latin America, and the Pacific...
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.