The attitude of Czechs and Slovaks themselves, hitherto among the most pro-Russian nations in the Soviet bloc, now shifted irrevocably to a stance of sullen acquiescence. 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.