Why Did Guatemala Become a Major Concern for the United

Why did Guatemala become a major concern for the United States in the 1950s?

A) A military junta took power and established a communist government.
B) Two nationalist presidents implemented radical social reforms.
C) The United Fruit Company was not paying fair wages to workers on its banana plantations.
D) The Dulles brothers secretary of state, and chief of the CIA, respectively) had lost their investment in banana lands.