The lake that forms the international border between Tanzania and Uganda is [C] Victoria. Lake Victoria, situated in East Africa, serves as a natural boundary between the two countries. It is the largest lake in Africa and the world’s second-largest freshwater lake by surface area. Lake Victoria plays a crucial role in the socio-economic development of the region, supporting fisheries, transportation, and agriculture. Its shores are inhabited by millions of people whose livelihoods depend on its resources. Additionally, Lake Victoria is a significant source of water for irrigation, hydropower generation, and wildlife conservation, making it a vital asset for both Tanzania and Uganda.