These Soviet actions , while strengthening Cause_change_of_strength control over the Eastern Bloc , alienated Influence many Western Marxists , leading to Causation splits and/or considerable losses Earnings_and_losses of membership for communist parties in capitalist states .

Meanwhile , the Communist Bloc powers of East Germany and the Soviet Union , along with the anti-Soviet People 's Republic of China , established Creating friendly relations with the new government by recognising Know the country and sending Sending advisors .

Romania was the only Eastern Bloc country whose citizens overthrew its Communist regime violently .

The European political landscape changed Change drastically , with several former Eastern Bloc countries joining NATO and the European Union , resulting in stronger economic and social integration with Western Europe and the United States .

The country 's ubiquitous secret police force , the Securitate , which was both one of the largest in the Eastern Bloc and for decades had been the main suppressor of popular dissension , frequently and violently quashing political disagreement , ultimately proved incapable of stopping the looming , and then highly fatal and successful revolt .