Library of Congress
Loc: The World of 1898: The Spanish American War
The Library of Congress offers this detailed history of the Spanish American War from historical papers. Includes manuscripts, maps, and illustrations, and an excellent overview essay.
OpenStax
Open Stax: Foreign Policy 1890 1914: Spanish American War and Overseas Empire
Looks at the development and evolution of the Spanish-American War, at Americans' views on imperialism at the end of this war, and at the relationship of this war with America's other international interests.
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...
Library of Congress
Loc: World of 1898: The Spanish American War: Teller and Platt Amendments
Check out this site to read about the Teller Amendment and the subsequent Platt Amendment, which dealt with American control over Cuba after the Spanish-American War.
University of Virginia
Miller Center at Uva: u.s. Presidents: William Mc Kinley: Foreign Affairs
A good description of the foreign policy of President Wiliam McKinley including infornation about the Spanish-American War, the Open Door policy, and the annexation of the Hawaiian Islands.
Khan Academy
Khan Academy: Ap Us History: 1890 1945: The Age of Empire: Spanish American War
Discusses the causes, events, and consequences of the Spanish-American War and how the United States acquired several territories in the aftermath. Includes questions for students at end.
Independence Hall Association
U.s. History: "Remember the Maine!"
See how yellow journalism that reported on the mistreatment of Cuban rebels by the Spanish helped to push the United States into war. Read about the sinking of the USS Maine and the beginning of the Spanish-American War.