The British Commonwealth is a political organization of 56 countries across the globe. It accounts for 2.5 billion people, with India making up more than half of that number.But its future following the queen's death remains uncertain. Barbados left the organization last year and both Jamaica and Belize are considering departures.The history of British colonial rule in the Caribbean and the possibility of reparations are hot topics of discussion among regional advocates and leaders.We discuss the Commonwealth's history, why countries join, and why they leave.