This treaty is expected to address issues concerning former inhabitants of the islands, facilitating the potential return of displaced individuals and their descendants.

UK Foreign Secretary David Lammy emphasized that the agreement will also help close a potential illegal migration route.

Historically, the Chagos Islands were home to around 1,500 to 2,000 inhabitants, known as Chagossians, who were forcibly removed by the UK in the late 1960s to establish the military base.

Negotiations for this deal began under the previous UK government, reflecting a broader urgency in international relations.

The British government has agreed to transfer sovereignty of the Chagos Islands to Mauritius, a move aimed at securing the future of the Diego Garcia military base.

The UK has previously apologized for this forced removal, which has been labeled as 'crimes against humanity' by Human Rights Watch.

Despite UN rulings advocating for decolonization and the return of the islands, Chagossians have been denied the right to return.

In response to the UK’s decision, Argentina has reiterated its claim to the Falklands, with Foreign Minister Diana Mondino promising 'concrete action' to reclaim the islands.

A 2013 referendum in the Falklands showed overwhelming support for remaining a British territory, with 99.8% of voters favoring this status.

The Conservative Party has criticized the agreement, with some members labeling it unpatriotic and questioning its long-term guarantees.

Sir Keir Starmer, while emphasizing the importance of maintaining the US-UK base, received support from President Joe Biden, who praised the diplomatic achievement.

The UK had initially resisted calls to return the islands, viewing the International Court of Justice's ruling as merely advisory, but shifting international support has influenced this recent decision.