Which event caused an american declaration of war against spain? the explosion of the battleship maine the attacks of pancho villa the invasion of the philippine islands?

One of the events the prompt the Americans to declare war against the Spanish Empire was the explosion of the battleship Maine. It was said that the Americans blamed the Spaniards on the mysterious explosion that sunk the U. S. S. Maine in the Havana Harbor that claimed the lives of many Americans aboard the ship.