Zambia and south covering about three-quarters of the country; and the Congo basin in the north covering about one-quarter of the country. A very small area in the northeast forms part of the internal drainage basin of Lake Rukwa in Tanzania. In the Zambezi basin, there are a number of major rivers flowing wholly or partially through Zambia: the Kabompo, Lungwebungu, Kafue, Luangwa, and the Zambezi itself, which flows through the country in the west and then forms its southern border with Namibia, Botswana and Zimbabwe. Its source is in Zambia but it diverts into Angola, and a number of its
Russia–Zambia relations state visits in 1974 and 1987. Relations between the two countries soured in 1976, when Kaunda said on the Soviet and Cuban presence in Angola, "(t)hey drove colonialism and fascism out the front door, only to let a plundering tiger and its cubs in the back door." Soviet support for the Zimbabwe African People's Union, which operated primarily out of Zambia, helped to stop relations from detiorating further, and ties became warmer after Abel Muzorewa, the Prime Minister of Zimbabwe Rhodesia launched airstrikes inside Zambia in 1979. After the strikes, Zambia unsuccessfully sought Western military aid, which saw Zambia turning