Babrak Karmal have so far not opted for concrete and constructive positions." During Karmal's rule Afghan–Pakistani relations remained hostile; the Soviet intervention in Afghanistan was the catalyst for the hostile relationship. The increasing numbers of Afghan refugees in Pakistan challenged the PDPA's legitimacy to rule. The Soviet Union threatened in 1985 that it would support the Baloch separatist movement in Pakistan if the Pakistani government continued to aid the mujahideen in Afghanistan. Karmal, problematically for the Soviets, did not want a Soviet withdrawal, and he hampered attempts to improve relations with Pakistan since the Pakistani government had refused to recognise the PDPA
Babrak Karmal intervention as an invasion. By 1981, the government gave up on political solutions to the conflict. At the fifth PDPA Central Committee plenum in June, Karmal resigned from his Council of Ministers chairmanship and was replaced by Sultan Ali Keshtmand, while Nur Ahmad Nur was given a bigger role in the Revolutionary Council. This was seen as "base broadening". The previous weight given to non-PDPA members in top positions ceased to be an important matter in the media by June 1981. This was significant, considering that up to five members of the Revolutionary Council were non-PDPA members. By the end