The ensuing Spanish–American War resulted in a decisive victory for the United States, and arguably served as a transitional period for both nations.

For decades the United States had watched political developments on Cuba, with which it had extensive economic ties.

A supporting argument for this line of reasoning is that yellow journalism created an inflammatory mood in the country and swayed public opinion to sympathize with Cuba.

An ultimatum to leave Cuba or face American military intervention was forwarded to Spain on April 20.

On April 22, the U.S. fleet set sail from Key West, Florida, to establish a blockade and prevent the Spanish from delivering supplies to its military forces in Cuba.