Why was the cuban revolution important to the United States?

The Cuban Revolution was a crucial turning point in U.S.-Cuban relations. Although the United States government was initially willing to recognize Castro's new government, it soon came to fear that Communist insurgencies would spread through the nations of Latin America, as they had in Southeast Asia.

Explanation:  When Fidel Castro seized power in 1959, the United States did not initially view Cuba as a security threat. ... The other reason that U.S. leaders viewed Cuba as a security threat was because Castro, Che Guevara, and others supported and encouraged revolution throughout Latin America and Africa.

because other regions has other things that egypt doesnt have.