1) Central Region, Uganda 
(from the article `Lozi`) ...Barotse tribe; the Barotse nation extended into other parts of Zambia, Angola, and the Caprivi strip of Namibia. The Barotse people, originally ... Yet another group dislodged by the warfare of this time, the composite Sotho group known as the Kololo, made its mark in west-central Africa. ... ...military ...