Causes of War

What causes war? How can military conflicts best be prevented? A prominent political scientist here addresses these questions, offering ideas that will be widely debated. Stephen Van Evera frames five conditions that increase the risk of interstate war: false optimism about the likely outcome of a [...]
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What causes war? How can military conflicts best be prevented? A prominent political scientist here addresses these questions, offering ideas that will be widely debated. Stephen Van Evera frames five conditions that increase the risk of interstate war: false optimism about the likely outcome of a war, a first-strike advantage, fluctuation in the relative power of states, circumstances that allow nations to parlay one conquest into another, and circumstances that make conquest easy. According to Van Evera, all but one of these conditions—false optimism—rarely occur today, but policymakers often erroneously believe in their existence. He argues that these misperceptions are responsible for many modern wars, and explores both World Wars, the Korean War, and the 1967 Mideast War as test cases. Finally, he assesses the possibility of nuclear war by applying all five hypotheses to its potential onset. Van Evera's book demonstrates that ideas from the Realist paradigm can offer strong explanations for international conflict and valuable prescriptions for its control.
About the Author:
Stephen Van Evera is Associate Professor of Political Science at the Massachusetts Institute of Technology and a member of the MIT Security Studies Program. He is the author of Guide to Methods for Students of Political Science, also from Cornell.