Who was the leader of Vietnam who , in the aftermath of the war , ordered the government to embark on a mass campaign of collectivization of farms and factories ?
The idea of collectivization returned in the early 1970s , after Edward Giereks visit to Moscow ( January 1971 ) , where Leonid Brezhnev stated that Gomułka did not carry out collectivization , and that is why he had " problems " .