How did cuba's two wars for independence affect american business interests?

The main purpose of The United States after Cuba's independence was an American adhesion of the island, the location of the Country was a profitable place to expand business and industry, but following a war, where the U.S took place against Spain there was a long unilateral relationship  with Cuba, in which this country could only make treaties with the United States.

The Cuban war of independence affects American interests in different ways, the business activities as previously mentioned, the slave trade, and the Platt Amendment survival that during 33 years controlled the commercial, political and economic relations between both nations, besides of the strategic location of a US naval base in Guantanamo which meant another advantage for America.

they united the colonies in their fight against the british.