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For more information, please see full course syllabus of AP U.S. History
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The U.S. Becomes a World Power

  • U.S. foreign policy began to abandon the policy of neutrality/isolationism (no clear policy during the Gilded Age) & instead the U.S. began to acquire influence & territories abroad
  • In the U.S., the economy had a surplus of goods, its GDP quadrupuled & businesses needed to expand markets where commodities could be sold (Singer, GE, & Standard Oil had overseas factories)
  • The U.S. purchased Alaska in 1867 from Russia although some mocked Secretary of State Seward’s $7.2 million purchase
  • U.S. opens Japan to trade by sending Commodore Matthew Perry, and the U.S. took possession of the Midway islands and other islands in the Pacific
  • U.S. annexes Hawaii mainly due to pressure from sugar plantation owners who disliked the tariff that hurt their business: the U.S. overthrew the queen & Hawaii was annexed; by 1898, Hawaii became an official U.S. territory
  • U.S. also intervened in Cuba and the Philippines as Spain was a declining imperial power in the Caribbean & in the Pacific
  • Yellow journalism exaggerated events surrounding the explosion of the Maine helped make the case for U.S. intervention in the Spanish-American-Cuban War
  • Treaty of Paris ended the war & as a result the U.S. bought the Philippines for $20 million & Spain gave up control of Cuba, PR, & Guam

The U.S. Becomes a World Power

Lecture Slides are screen-captured images of important points in the lecture. Students can download and print out these lecture slide images to do practice problems as well as take notes while watching the lecture.

  1. Intro
    • Overview
      • The Roots of U.S. Imperialism
      • Economics Interests
      • The Economy of Expansion
        • The Purchase of Alaska
        • U.S. In Asia and in the Pacific
        • Perry's Squadron in Japan
          • U.S. Possessions in the Pacific
            • The U.S. Annexes Hawaii
            • William McKinley and Imperialist Influences
            • Causes of Spanish-American War
            • Yellow Journalism
            • Hearst and Pulitzer
            • War with Spain
            • The Duty of the Hour
              • Spanish-American Cuban War
                • Two Theaters of War
                • Battle of San Juan Hill
                  • Treaty of Paris and Aftermath
                  • Anti-Imperialist concerns
                    • Filipinos Rebel Against U.S. Rule
                    • U.S. Policy in Puerto Rico and Cuba
                    • The Platt Amendment
                    • Example 1
                      • Example 2
                        • Example 3
                          • Intro 0:00
                          • Overview 0:08
                          • The Roots of U.S. Imperialism 2:12
                            • Abandon the Policy of Neutrality
                            • Upgraded Navy
                            • The Influences of Sea Power Upon History
                            • Latin America and Asia
                          • Economics Interests 8:54
                            • Extractive Economies
                            • Natural Resources and Raw Material
                            • GDP Quadrupled and Businesses
                            • Imperialist Nations
                          • The Economy of Expansion 11:40
                          • The Purchase of Alaska 13:19
                            • William Seward
                            • Natural Resources
                          • U.S. In Asia and in the Pacific 15:05
                            • Commodore Matthew Perry
                            • Hawaiian Islands
                            • Midway Islands
                            • Pearl Harbor
                          • Perry's Squadron in Japan 17:31
                          • U.S. Possessions in the Pacific 17:54
                          • The U.S. Annexes Hawaii 19:05
                            • Sugar Plantations
                            • Voting Rights
                            • McKinley Tariff
                            • An official U.S. Territory
                          • William McKinley and Imperialist Influences 22:55
                            • Assistant Secretary of the Navy
                            • Henry Cabot Lodge
                            • William Jennings Bryan and Grover Cleveland
                          • Causes of Spanish-American War 26:10
                            • Spain as a Declining Imperial Power
                            • Cuban Independence Movement
                            • Guerilla Tactics
                          • Yellow Journalism 28:52
                            • Joseph Pulitzer and William Randolph Hearst
                            • Yellow Press
                            • The Maine
                          • Hearst and Pulitzer 31:03
                            • Cartoon of Hearst and Pulitzer
                            • You Furnish the Pictures, and I'll furnish the war
                            • Jingoism
                            • Maine Blows Up
                          • War with Spain 33:19
                            • Remember the Maine
                            • The Teller Amendment
                            • Enlisted in the Army
                          • The Duty of the Hour 34:36
                          • Spanish-American Cuban War 35:54
                          • Two Theaters of War 37:18
                            • Commodore Dewey
                            • The Rough Riders
                            • Deaths in the War
                          • Battle of San Juan Hill 38:38
                          • Treaty of Paris and Aftermath 38:51
                            • The U.S. bought Philippines
                            • An Imperial Power
                            • Splendid Little War
                            • U.S. Foreign Policy
                          • Anti-Imperialist concerns 41:39
                          • Filipinos Rebel Against U.S. Rule 43:36
                            • Emilio Aguinaldo
                            • An Insurrection Against U.S. Rule
                            • Death in the Fighting
                          • U.S. Policy in Puerto Rico and Cuba 45:32
                            • Puerto Rico
                            • The Foraker Act
                            • Insular Cases
                            • The Jones-Shafroth Act
                          • The Platt Amendment 47:56
                            • The Platt Amendment
                            • Lease Naval Stations to U.S.
                            • Cuban Constitution
                          • Example 1 50:01
                          • Example 2 51:18
                          • Example 3 53:21