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Geopolitics, Power, and Global Conflict

Theories of Geopolitics and Global Power

An overview of the classical and modern theories that explain how geography shapes national power and global strategy, from Mackinder's Heartland and Mahan's sea power to critical geopolitics and the shifting world orders of the 21st century.

60-Second Review

Express review

A condensed, point-by-point summary of the module, for reviewing right before a test or exam.

  1. Mackinder's Heartland Theory. Mackinder argued that control of the Eurasian Heartland underpins world domination.
  2. Mahan's Sea Power Theory. Mahan argued that command of the sea, not land, has decided the fate of great powers.
  3. Spykman's Rimland and Containment. Spykman held that the coastal Rimland, not the Heartland, was the true key to global power.
  4. Critical Geopolitics and Its Critics. Critical geopolitics treats classical theories as political discourse, not neutral science.
  5. The Balance of Power and Spheres of Influence. States have long sought to prevent any single power from dominating by balancing against it.
  6. Unipolar, Bipolar, and Multipolar World Orders. International systems are classified by how many great powers dominate at once.
  7. Soft Power and Geographic Influence. Soft power lets states shape outcomes through attraction and culture rather than force.
  8. Geopolitics in the 21st Century. Climate change, cyberspace, and Sino-American rivalry are reshaping 21st-century geopolitics.

This is the starting point of Geopolitics, Power, and Global Conflict: you don't need any prior knowledge of this subject to begin.

Key points

Visual module map

1Mackinder's Heartland Theory
2Spykman's Rimland and Containment
3The Balance of Power and Spheres of Influence
4Unipolar, Bipolar, and Multipolar World Orders
5Geopolitics in the 21st Century

Alternative visual view: a simplified sequence of some of the module's key points, in their order within the syllabus.

Your module mastery

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Final test

You need to review all key points to unlock the final test.

Optional mini-games

Extra practice, with no penalty, to reinforce the module's content.

Review Flashcards

Review each key point with cards that flip to reveal the summary.

Memory

Match each concept with its definition in as few attempts as possible.

Time Attack

Answer true or false statements before time runs out.

Chronological Order

Put the module's key points back in their original order.

Further reading

Bibliography and cited sources used to create this module.

  • Mackinder, H.J. (1904). "The Geographical Pivot of History." The Geographical Journal, 23(4), 421-437.
  • Mackinder, H.J. (1919). Democratic Ideals and Reality: A Study in the Politics of Reconstruction. London: Constable and Company.
  • Mahan, A.T. (1890). The Influence of Sea Power upon History, 1660-1783. Boston: Little, Brown and Company.
  • Spykman, N.J. (1944). The Geography of the Peace. New York: Harcourt, Brace and Company.
  • Ó Tuathail, G. (1996). Critical Geopolitics: The Politics of Writing Global Space. Minneapolis: University of Minnesota Press.
  • Nye, J.S. (2004). Soft Power: The Means to Success in World Politics. New York: PublicAffairs.