History of the Soviet Union (1964–82) Soviet Union "would result in a crushing retaliatory blow". Though Brezhnev's time in office would later be characterized as one of stability, early on, Brezhnev oversaw the replacement of half of the regional leaders and Politburo members. This was a typical move for a Soviet leader trying to strengthen his power base. Examples of Politburo members who lost their membership during the Brezhnev Era are Gennady Voronov, Dmitry Polyansky, Alexander Shelepin, Petro Shelest and Podgorny. Polyansky and Voronov lost their membership in the Politburo because they were considered to be members of the "Kosygin faction." In their place came Andrei
History of the Soviet Union (1964–82) successfully engineering Taraki's own assassination on 9 October. Later, in December, the Soviet Union invaded Afghanistan at the behest of Khan. On 27 December a KGB unit killed Amin. Babrak Karmal, the leader of the Parcham faction, was chosen by the Soviet leadership as Amin's successor in the aftermath of the Soviet intervention. Unfortunately for the Soviet leadership Karmal did not turn out to be the leader they expected, and he, just as his predecessors had arrested and killed several Parcham-members, arrested and killed several high-standing and low-standing Khalq members simply because they supported the wrong faction. With Soviet troops