But all this was easily contained. The Kremlin had made its point—that fraternal socialist states had only limited sovereignty and that any lapse in the Party’s monopoly of power might trigger military intervention. Unpopularity at home or abroad was a small price to pay for the stability that this would henceforth ensure. After 1968, the security of the Soviet zone was firmly underwritten by a renewed appreciation of Moscow’s willingness to resort to force if necessary. But never again—and this was the true lesson of 1968, first for the Czechs but in due course for everyone else—never again
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