Respuesta :
The US businesses were upset by the Spanish reactions to the Cuban Revolution because they were afraid they would lose money that they had invested.
What caused the businesss-men upset?
Basically, prior to the Cuban Revolution, the U.S. business men have series of business in CUBA.
However, when there were glimpse of revolution, the US business owners were upset by the Spanish reactions to the Cuban Revolution because they were afraid they would lose money that they had invested.
Therefore, the Option A is correct.
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