What event occurred in Havana that caused Americans to be extremely

angry?

Spanish-American War

Explanation:

15, 1898, the U. S. battleship Maine blew up in Havana Harbor, killing 260 crew members. The episode escalated tensions between the United States and Spain and contributed to the outbreak of the Spanish-American War two months later. The New York Times reported, "As yet the cause of the explosion is not apparent.