For 10 points, name these animals domesticated for their milk and beef.
In one country, the destruction of 90% of these things sparked a period called the Kefu Qan, or "Bad Times." The ubuhake system was based on the lending of these things in exchange for service and helped form the divide between Hutus and Tutsis, the minority group who owned these things. The ceremonies and myths about these things were the subject of Melville Herskovits' dissertation. The teenage prophetess Nongqawuse convinced the Xhosa people to slaughter thousands of these (*) animals, sparking a massive famine. Judar Pasha's forces used gunfire to reverse a charge of these animals during the Battle of Tondibi. In the 1890s, millions of these animals in Africa were killed by a rinderpest epidemic. The Nguni breed of these animals was introduced to southern Africa by the Bantu migration. For 10 points, name these animals domesticated for their milk and beef.
In one country, the destruction of 90% of these things sparked a period called the Kefu Qan, or "Bad Times.
cattle [or cows]