Initial reaction within the Eastern Bloc was mixed, with Hungary's János Kádár expressing support, while Soviet leader Leonid Brezhnev and others grew concerned about Dubček's reforms, which they feared might weaken the Eastern Bloc's position during the Cold War. On 3 August, representatives from the Soviet Union, East Germany, Poland, Hungary, Bulgaria, and Czechoslovakia met in Bratislava and signed the Bratislava Declaration, which affirmed unshakable fidelity to Marxism–Leninism and proletarian internationalism and declared an implacable struggle against "bourgeois" ideology and all "anti-socialist" forces.
Initial reaction within the Eastern Bloc was mixed with Hungary's János Kádár expressing support while Soviet leader Leonid Brezhnev and others grew concerned about Dubček's reforms which they feared might weaken the Eastern Bloc's position during the Cold War On 3 August representatives from the Soviet Union East Germany Poland Hungary Bulgaria and Czechoslovakia met in Bratislava and signed the Bratislava Declaration which affirmed unshakable fidelity to Marxism–Leninism and proletarian internationalism and declared an implacable struggle against "bourgeois" ideology and all "anti-socialist" forces