Fear of Enemies and Collective Action by Ioannis D. Evrigenis. Author Ioannis D. Evrigenis. What makes individuals with divergent and often conflicting interests join together and act in unison?. It then traces its role from Greek and Roman political thought, through Machiavelli and the reason of state thinkers, and Hobbes and his emulators and critics, to the realists of the twentieth century.
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