How did Leonid Brezhnev change the tack of Soviet policy after taking control from Nikita Khrushchev?

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Leonid Brezhnev's main priority was to return the Soviet Union to communist orthodoxy, reasserting control over Eastern Europe and putting down uprisings in countries like Czechoslovakia. He rolled back some of Khrushchev's policies aimed at decentralizing the economy and reducing the power of the central government, and increased spending on defense and heavy industry at the expense of consumer goods. While Brezhnev did have negotiations with the US and signed arms control agreements, he did not make significant efforts to end the Cold War or make lasting peace with the US. Brezhnev did not make any attempts to place nuclear weapons in Cuba and did not purge the party of old Stalinists (in fact, many of his top officials were holdovers from the Stalin era).

How Did Leonid Brezhnev Change the Tack of Soviet Policy