Key Points on American Expansionism

American Expansionism

  • Motivation for Expansion

    • Competing with imperialistic nations for territory in Asia and the Pacific.

    • Fear of becoming a second-class power.

  • Key Advocates

    • Missionaries:

    • Believed in a religious duty to spread Christianity.

    • Viewed themselves as bringing "superior" civilization benefits (medicine, science, technology).

    • Politicians:

    • Republicans aligned with business interests to seek new markets.

    • Leaders like Henry Cabot Lodge and Theodore Roosevelt supported expansion.

    • Naval Strategists:

    • Alfred Thayer Mahan emphasized the importance of naval power in his book The Influence of Sea Power Upon History (1890).

    • Advocated for a strong navy and overseas bases for supply and coaling stations.

    • Resulted in the U.S. navy becoming the third largest globally by 1900.

  • Role of the Popular Press:

    • Increased circulation by publishing adventure stories, creating public interest in foreign affairs.

  • Latin America Relations:

    • U.S. protectorate role established by the Monroe Doctrine (1820s) to shield Latin America from European interference.