Britain has officially agreed to give up its last African colony, the Chagos Islands, but the real reason behind the deal is to keep control of a major military base. UK Foreign Secretary David Lammy admitted that the move was a strategic decision to secure the future of Diego Garcia, a key military base used by the United States.

The Chagos Islands have been a point of conflict for decades. Located in the Indian Ocean, they were once home to around 2,000 people. However, in 1966, the UK...