One reason the U.S. has intervened in the affairs of Latin American countries is to protect U.S. based companies from being nationalized.
The U.S. is one of the largest investors in the economies of nations in Latin America and as such there are several American companies in those nations.
When some nations have tried to nationalize these U.S. companies such as Cuba and Panama, the U.S. intervened to protect them.
Find out more on the U.S. intervention in Panama at https://brainly.com/question/24264551.