History of the Soviet Union (1964–82) become Mao's last meeting with any Soviet leader. The Cultural Revolution caused a complete meltdown of Sino-Soviet relations, inasmuch as Moscow (along with every communist state save for Albania) considered that event to be simple-minded insanity. Red Guards denounced the Soviet Union and the entire Eastern Bloc as revisionists who pursued a false socialism and of being in collusion with the forces of imperialism. Brezhnev was referred to as "the new Hitler" and the Soviets as warmongers who neglected their people's living standards in favor of military spending. In 1968 Lin Biao, the Chinese Defence Minister, claimed that the Soviet
25th Congress of the Communist Party of the Soviet Union or fight other countries, but also stated that he would support national liberation movements, despite détente. Little mention was made of fundamental problems facing the Soviet Union— the slowdown of the rate of economic growth, the low output of agriculture despite heavy investment. The only critical voices raised were those of foreign Communists. French Communist leader Georges Marchais boycotted the congress after criticizing the Soviet Union's suppression of dissidents. A major problem that faced Soviet leaders, and one that was continually evaded, was the need to rejuvenate the Politburo, which was elected at the 1st Plenary Session of the 25th