The document discusses United States involvement in the Caribbean from 1776 to 1985. It identifies several key reasons for US interest in the region, including defense against foreign threats, expansionism, and promoting US ideology and trade/investments. It also examines specific factors that led to US involvement and rule over Caribbean territories, such as imperialism, securing trade routes, national security concerns, political instability, and ideological conflicts. Key events discussed include the Spanish-American War and the establishment of policies like Dollar Diplomacy and the Good Neighbor Policy.