In 1854 the U.S. attempted to buy Cuba from Spain. Spain said that they'd rather see the country sink into the sea.
Jose Marti, a Cuban poet, used guerrilla warfare to destroy property of the U.S. In 1895 he started a revolution against Spain.
The U.S.S. Maine is a ship that was sent to Cuba to rescue American citizens. The ship exploded before it could complete its mission. (February 15,1898)
Although the explosion was an accident, America used Yellow Journalism to blame it on the Spaniards.
April 20, 1898, America declares war with Spain. The Rough Riders were the only people of 3 cavalries to see any action in that war.
A ceasefire agreement was signed by the two countries on 8/12/1898. In December, 1898 both countries discuss their treaty. Spain frees Cuba, sells the Philippines to the U.S. and gives Guam and Puerto Rico to them.
The Debate of the Treaty of Paris argued whether or not the U.S. had a right to annex the Philippines . On Feb. 6,1899 the annexation question was settled with the Senates' approval.