Mafia Island is located near this island, which is noted for its clove production, and in recent years rigged elections have led to violence in Stone Town, the center of this island's eponymous capital.
The Busaidi dynasty replaced the Ya'arabi dynasty as the ruling power on this island. The Germans gave up their right to this island in return for sovereignty over Heligoland. Shortly after independence from Britain, John Okello led the revolt that installed Abeid Karume as the leader of this island and its sister island, Pemba. Mafia Island is located near this island, which is noted for its clove production, and in recent years rigged elections have led to violence in Stone Town, the center of this island's eponymous capital. For 10 points, identify this island in the Indian Ocean which joined with Tanganyika to form the modern nation of Tanzania.
The Busaidi dynasty replaced the Ya'arabi dynasty as the ruling power on this island.
Zanzibar [also accept Unguja]