Fall of Kampala the Sudanese border and eliminated the last resistance. In 1971 Idi Amin launched a military coup that overthrew the President of Uganda, Milton Obote, precipitating a deterioration of relations with the neighbouring state of Tanzania. Amin installed himself as President and ruled the country under a brutal dictatorship. In October 1978 he launched an invasion of Tanzania. Tanzania blunted the assault, unified anti-Amin opposition groups, and launched a counter-offensive. The President of Tanzania, Julius Nyerere, told foreign diplomats that he did not intend to depose Amin, but only "teach him a lesson". The claim was not believed; Nyerere despised Amin,
Hafizullah Amin Hekmatyar, one of the leading anti-communists in Afghanistan. His general untrustworthiness and his unpopularity amongst Afghans made it more difficult for Amin to find new "foreign patrons". Amin's involvement in the death of Adolph Dubs, the American Ambassador to Afghanistan, strained his relations with the United States. He tried to improve relations by reestablishing contact, met with three different American chargé d'affaires, and was interviewed by an American correspondent. But this did not improve Afghanistan's standing in the eyes of the United States Government. After the third meeting with Amin, J. Bruce Amstutz, the American Ambassador to Afghanistan from 1979