What actually caused the U. S.S. Maine to sink off the coast of Cuba?

On February 15, 1898, the American battleship Maine exploded while sitting in the Havana harbor, killing two officers and 250 enlisted men. Fourteen of the injured later died, bringing the death toll to 266. A naval board of inquiry concluded that the blast was caused by a mine placed outside the ship.

Explanation:

the intolerable acts were punitive laws passed by the british parliament in 1774 after the boston tea party. in great britain, these laws were referred to as the coercive acts.