(CNN)Here's some background information about Cuba, a communist country located in the Caribbean Sea, approximately 90 miles south of Florida.
(from the CIA World Factbook)
Before the collapse of the Soviet Union in the early 1990s, Cuba was receiving subsidies worth $4 billion-$6 billion a year.
1492 - Explorer Christopher Columbus lands on the island of Cuba and claims it for Spain. Spain controls the island until 1898, making it a hub for the slave trade and the export of sugar and coffee.