The US was struggling with Vietnam and race riots
The Brezhnev doctrine was to impose communism by force
The US and Un was distracted/busy solvng the Suez crisis
Kruschev promised freedom and peaceful coexistence to Soviet-bloc countries
After the Hungarian uprising a new communist government was installed
After the 1956 Hungarian uprising Nagy was executed
Multi-party elections, free press and exit from the Warsaw Pact were demanded by Hungarians
economic improvement, freedom of speech and travel and democracy were demanded by Cz
the military was not instructed to resist Soviet invasion
full armed rebellion by Hungarian army and citizens
communists in Western Eu were dismayed by Moscow
Dubcek was flown to Moscow then relegated to forestry inspector