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States live in a world of anarchy, where no agency or institution exists to protect them from one another. As the political scientist John Mearsheimer likes to say, “ If a state gets into trouble in the international system, it can’t dial 911.” For this reason, realists view international politics as a “self-help” system, where each state has to rely on its own resources and strategies to survive. To put it more simply, it’s a jungle out there, and a state that wants to be secure often needs a strong, vigorous, and agile leadership that can do what needs to be done to keep the country safe.


Walt, Stephen. "The Realist Case for Impeachment." Foreign Policy, September 27, 2019.