The United States expanded as an empire during the late 19th and early 20th centuries through various means. Here are three significant ways:
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Territorial Expansion through War and Treaty: The U.S. engaged in several conflicts that resulted in territorial acquisitions. Notable examples include the Spanish-American War (1898), where the U.S. defeated Spain and acquired territories such as Puerto Rico, Guam, and the Philippines. This war marked a significant shift in U.S. overseas presence and exhibited imperialistic ambitions. Furthermore, the annexation of Hawaii in 1898 and the purchase of Alaska from Russia in 1867 also expanded U.S. territory, adding strategically important lands.
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Economic Expansion and Exploitation: The U.S. pursued economic interests abroad, particularly in Asia and the Caribbean, through investment and trade. The Open Door Policy (1899) aimed to ensure equal trading rights for all nations in China, allowing the U.S. to participate in the lucrative markets of Asia without the need for direct territorial control. Additionally, American businesses invested heavily in Latin America, leading to increased influence over the economies and political systems of countries in the region, often using methods such as local investments, infrastructure development, and control over resources.
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Colonial Administration and Military Presence: Following territorial acquisitions, the U.S. established a colonial administration in various regions, particularly in the Philippines, where it enacted policies that sought to integrate the islands into the economic and political systems of the U.S. This included military presence to suppress resistance and promote stability. The Platt Amendment (1901) further solidified U.S. control over Cuba, allowing for intervention in Cuban affairs and establishing a permanent U.S. naval base at Guantanamo Bay. Such actions illustrated America's shift toward a more imperialistic approach in its foreign policy.
These methods reflect the broader trend of American imperialism during this period, asserting the U.S. as a global power with significant political and economic influence.