At the end of World War II, the Allies were unanimous in their determination to disarm the former aggressor Germany. As the Cold War intensified, however, the decision whether to reverse that policy and to rearm West Germany as a bulwark against the Soviet threat led to disagreements both within the US government and among members of the nascent NATO alliance. The US military took the practical view that a substantial number of German troops would be required to deter any potential Soviet...