In the late 19th century and early 20th century, the United States expanded its influence and territory in several ways that are characteristic of an imperial power. Here are three key ways in which this expansion occurred:
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Territorial Acquisitions: The U.S. acquired new territories through treaties, purchase, and war. Notable examples include the purchase of Alaska from Russia in 1867 (sometimes referred to as "Seward's Folly"), and the annexation of Hawaii in 1898. The Spanish-American War in 1898 resulted in the U.S. gaining control of territories such as Puerto Rico, Guam, and the Philippines.
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Military Intervention and Influence: The United States engaged in military interventions in Latin America and the Caribbean under the guise of protecting American interests and promoting stability. The Roosevelt Corollary to the Monroe Doctrine allowed the U.S. to intervene in the affairs of Latin American countries, asserting its dominance in the region. This included military actions in places like Cuba, Nicaragua, and the Dominican Republic.
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Economic Expansion and Control: The U.S. expanded its economic influence globally, establishing trade relations and monopolizing markets, particularly in Asia and Latin America. The Open Door Policy, which aimed to ensure equal trading rights in China, exemplified this approach. American businesses invested heavily in foreign markets, leading to increased economic dominance and the establishment of control over resources and local economies.
These methods contributed to the United States' emergence as a significant global power during this period.