[ajuc]

USSR/Russian troops entered Poland in 1939 and left in 1992. After WW2 it was decided at Yalta that Poland will be communist country no matter what Poles want, there were falsified elections, till early fifties there were partisans fighting against new government in less populated areas. People that had the misfortune of fighting Germans in right-wing instead of left-wing partisan groups during WW2 were mass-murdered in tousands (some left-wing groups members too just in case). Political parties other than communist PZPR and pre-war socialist PPS were outlawed (PPS was outlawed a few years later too). There was censorship.

Between 1945 and 1989 if you asked Poles whether they want to be occupied by USA instead of being "independent Warsaw Pact member" 90% or more would instantly agree.

Say what you want, but for most Poles Kukliński did good.