Babrak Karmal Parchamite faction found itself under significant pressure by the Khalqists soon after taking power. In June 1978, a PDPA Central Committee meeting voted in favor of giving the Khalqist faction exclusive control over PDPA policy. This decision was followed by a failed Parchamite coup, after which Hafizullah Amin, a Khalqist, initiated a purge against the Parchamites. Karmal survived this purge but was exiled to Prague. Karmal remained in exile until December 1979, when the Soviet Union intervened in Afghanistan (with the consent of Amin's government) to stabilize the country. The Soviet troops staged a coup and assassinated Amin. Karmal had
1981 in Afghanistan and consumer goods. According to UN statistics, 1.7 million Afghans have so far fled to Pakistan and some 400,000 to Iran in order to escape the strife in their country. President Karmal gives up the post of prime minister; he is succeeded in that position on June 11 by Sultan Ali Keshtmand, another trusted member of the Parcham faction of the PDPA. Keshtmand is also put in direct charge of the National Patriotic Front, set up in December 1980 with the intention of rallying the people behind Karmal's Marxist revolutionary government. Karmal announces a new set of proposals for negotiations