The US military engaged in a series of military interventions called Banana Wars in order to keep the economic climate in the area friendly to American commercial interest.
The role played by the military of the USA, in the 1920s. They were called Banana Wars because the main interest was from fruit companies. In the 1930s FDR's Good Neighbor Policy toned down American involvement in the area.
Thus, the military during the period from 1920s and 1930s played a significant role and engaged in Banana wars after the end of the Spanish-American War.
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