What was he most important reason for the united states to maintain a strong political presence in cuba

The most important reason for the United States to maintain a strong political presence in Cuba was mainly to protect American business interests on the island, as well as continuing to control the Caribbean area in the aspects of commerce and trade coming and going from the Panama Canal.

that would be the steamboat because none of the other things are forms of transportation

to force terrorists groups to stop attacking western targets using massive military force.