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Exploring American Imperial Expansion (1898-1945)

Apr 10, 2025

Heimler's History: Unit 7 - American Imperial Expansion (1898-1945)

Overview

  • Time period: 1898-1945
  • Focus: American imperial expansion
  • Objective: Explain the similarities and differences in attitudes about the nation's role in the world.

What is Imperialism?

  • Expansion of a country's political, economic, and military influence over another.
  • America entered imperialist ventures with the purchase of Alaska in 1867.
    • Seen as valueless until gold discovered in 1898.

American Expansion

  • Expansion was part of American identity.
  • Westward expansion filled, leading to overseas interest.
  • Frederick Jackson Turner's concerns about the "closing of the frontier."

Imperialists vs. Anti-Imperialists

Imperialist Arguments

  • Economic motivations
    • Access to raw materials and new markets for American goods.
  • Social Darwinism
    • Justified stronger nations dominating weaker ones.
  • International Presence
    • Expansion required to prove America's strength.
  • Racial Motivations
    • Josiah Strong's belief in Anglo-Saxon superiority and Christian duty.
  • Naval Power
    • Influence of Alfred Thayer Mahan's book advocating for a strong navy.
    • Strategic acquisition of Pacific and Caribbean territories.

Anti-Imperialist Arguments

  • Self-Determination
    • Nations should choose their rulers and laws, echoing colonial American sentiments.
  • Isolationism
    • Tradition of avoiding foreign entanglements, citing George Washington.
  • Racial Concerns
    • Constitution should follow the flag, questioning citizenship rights for colonized peoples.

Key Concepts

  • Influence of sea power on securing markets.
  • Racial undertones in both pro and anti-imperialism arguments.
  • Debate on constitutional rights for territories.

Additional Resources

  • Ultimate Review Packet and video playlists available for further study.
  • Encouragement to subscribe for continued content.

This summary captures the main themes and arguments relating to American imperial expansion as discussed in the lecture. For a deeper understanding, students are encouraged to explore additional resources and engage with supplementary materials.