 Complete the following phrase:  During a 1978 coup d état in Afghanistan, where the communist party took power, it started a series of radical modernization reforms throughout the country that were forced and deeply unpopular, particularly among the more traditional rural population and the established traditional power structures. The regimes nature of vigorously suppressing opposition, including executing thousands of political prisoners, led to the rise of anti-government armed groups, and by April 1979 large parts of the country were in open rebellion. The ruling party itself experienced deep rivalries, and in September 1979 the General Secretary of the Peoples Democratic Party of Afghanistan PDPA, Nur Mohammad Taraki, was murdered under orders of the second-in-command, Hafizullah Amin, which soured relations with the Soviet Union. Eventually the Soviet government, under General Secretary Leonid Brezhnev, decided to the 40th Army on 24 December 1979. Arriving in the capital of Kabul, they staged a 