Why did some Americans have a strong economic interest in Cuba ?

American capitalists were investing millions of dollars in large sugar cane plantations in Cuba after the slaves were freed. - Their plantations were one of the targets by Cuban rebels revolting against the Spanish control.

Explanation:

I hope this is what you meant :)

louverture's prominent role in the haitian success over colonialism and slavery had earned him the admiration of friends and detractors alike.

explanation:

toussaint louverture began his military career as a leader of the 1791 slave rebellion in saint-domingue; he was by then a free man and a jacobin.

i believe its the indians