How Do Unipolar, Bipolar, And Multipolar Power Structures Affect Global Politics? 

Power distribution in global politics has historically shifted between states. In a Unipolar world, one state has a hegemony, or total power in the system. A bipolar system refers to power shared between two major powers. In a multipolar world, there may be multiple centres of power. Power distribution is also related to power diffusion, often seen in today's world, as exemplified by political scientist Joseph Nye, who argues that the growing power of non-state actors has the ability to destabilize traditional ideas of power distribution.
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Sources:
Nye, Joseph S. The Future of Power. New York: PublicAffairs, 2011.
Global Politics Guide, 2017, International Baccalaureate.
Heywood, Andrew. Global Politics. Basingstoke: Palgrave Macmillan, 2014.
Murphy, Robert, and Charles Gleek. Global Politics: Supporting Every Learner across the IB Continuum. Harlow, Essex: Pearson Education Limited, 2016.
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