 The British accepted the Congo Free State's possession of Katanga (the administration of which Leopold vested in the Compagnie du Katanga) and an Anglo-Belgian agreement was signed in 1894.The slave trade from south-east Katanga to Lake Tanganyika declined, though in the Congo Free State slavery as practiced by King Leopold II's agents did not end until after the country was taken over by the Belgian state in 1908.Some of the Garanganze people returned to Bunkeya and continued the Garanganze chieftaincy which, despite internal exile for some years, continues to this day, using the name 'Mwami Mwenda' after Msiri's first name, ruling a population of about 20,000.