The United States considered Cuba a threat because
A. Cuban exiles had informed the U. S. government about missiles in Cuba.
B. the Cuban government had been overthrown and was unstable.
C. Castro and Kennedy did not trust each other.
D. Cuba, which was only 90 miles away, had ties with the Soviets.

D

Explanation:

because The United States and Russia were at Cold war and having Cuba close to The US was dangerous since Russia could plant missiles aimed at the US

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