Why did antagonism occur between the USA and Cuba between 1959 and 1961?

In Cuba, 1962, was where one of the major conflicts between the US and USSR took place--the Cuban Missile Crisis. However before 1959, the US and Cuba were really close, nearly all its industry, electricity production, railways and the entire telephone system were owned by the Americans. What happened that had changed their relation so rapidly, and why did it take place? Firstly, the Cuban Revolution in 1959, in which a nationalist Fidel Castro became the Cuban leader, …showed first 75 words of 1024 total…

…showed last 75 words of 1024 total…Erica Lewis. Heinemann, 2001. p105. "The Vengeful Visionary." CNN Cold War. 20 Nov. 2005 <http://www.cnn.com/SPECIALS/cold.war/episodes/10/1st.draft/>. Elliston, Jon. "The Counter-revolution Commences." The Bay of Pigs Invasion. 21 Nov. 2005 <http://www.parascope.com/articles/1296/counter.htm> "Bay of Pigs Invasion." MSN Encarta. Aviation History at Amazon.co.uk. 21 Nov. 2005 <http://uk.encarta.msn.com/encyclopedia_761555123/Bay_of_Pigs_Invasion.html>