History of Rwanda included Tanganyika and Ruanda-Urundi. In 1911, the Germans helped the Tutsi put down a rebellion of Hutu in the northern part of Rwanda who did not wish to submit to central Tutsi control. At the end of WWI, Belgium accepted the League of Nations Mandate of 1916 to govern Rwanda as the territory Ruanda-Urundi, along with its existing Congo colony to the west. The portion of the German territory, never a part of the Kingdom of Rwanda, was stripped from the colony and attached to Tanganyika, which had been mandated to the British. A colonial military campaign from 1923 to
Rwanda for export. Tourism is a fast-growing sector and is now the country's leading foreign exchange earner. Rwanda is one of only two countries in which mountain gorillas can be visited safely, and visitors pay high prices for gorilla tracking permits. Music and dance are an integral part of Rwandan culture, particularly drums and the highly choreographed "intore" dance. Traditional arts and crafts are produced throughout the country, including "imigongo", a unique cow dung art. The name "Rwanda" is derived from the Rwanda-Rundi word "rwanda" meaning "domain" or literally an "area occupied by a swarm". The official name of the country