The largest island of the West Indies group (equal in area to Pennsylvania), Cuba is also the westernmost—just west of Hispaniola (Haiti and the Dominican Republic), and 90 mi (145 km) south of Key West, Fla., at the entrance to the Gulf of Mexico. The island is mountainous in the southeast and south-central area (Sierra Maestra). It is flat or rolling elsewhere. Cuba also includes numerous smaller islands, islets, and cays.

Communist state.

Arawak (or Taino) Indians inhabiting Cuba when Columbus landed on the island in 1492 died from diseases brought by sailors and settlers. By 1511, Spaniards under Diego Velásquez had established settlements. Havanas superb harbor made it a common transit point to and from Spain.

In the early 1800s, Cubas sugarcane industry boomed, requiring massive numbers of black slaves. A simmering independence movement turned into open warfare from 1867 to 1878. Slavery was abolished in 1886. In 1895, the poet José Marti led the struggle that finally ended Spanish rule, thanks largely to U.S. intervention in 1898 after the sinking of the battleship Maine in Havana harbor.

An 1899 treaty made Cuba an independent republic under U.S. protection. The U.S. occupation, which ended in 1902, suppressed yellow fever and brought large American investments. The 1901 Platt Amendment allowed the U.S. to intervene in Cubas affairs, which it did four times from 1906 to 1920. Cuba terminated the amendment in 1934.

In 1933, a group of army officers, including army sergeant Fulgencio Batista, overthrew President Gerardo Machado. Batista became president in 1940, running a corrupt police state.

In 1956, Fidel Castro Ruz launched a revolution from his camp in the Sierra Maestra mountains. Castros brother Raul and Ernesto (Ché) Guevara, an Argentine physician, were his top lieutenants. Many anti-Batista landowners supported the rebels. The U.S. ended military aid to Cuba in 1958, and on New Years Day 1959, Batista fled into exile and Castro took over the government.

The U.S. initially welcomed what