At the height of the Cold War, Soviet ideologues, policymakers, diplomats, and military officers perceived the countries of Africa, Asia, and Latin America as the future reserve of socialism, holding the key to victory over Western forces. The zero-sum nature of East-West global competition induced the United States to try to thwart Soviet ambitions. The result was predictable: the two superpowers engaged in proxy struggles against each other in faraway, little-understood lands, often ending up entangled in protracted and highly destructive local fights that did little to serve their own...