Pope Leo XIV supported the rights of Chagossians Exiled Chagossians were from the Chagos archipelago A U.K.-Mauritius treaty recognized the right to return Britain evicted Chagossians in the 1960s and 1970s The eviction was for a U.S. military base A trust fund was established for the Chagossians Mauritius is allowed to resettle the islands The Diego Garcia base remains unaffected.