Answer: pls rate high
Explanation:
this is what caused it but i dont know
On February 15, 1898, an explosion of unknown origin sank the battleship U.S.S. Maine in the Havana, Cuba harbor, death 266 of the 354 crew members. The sinking of the Maine incited United States' passions against Spain, eventually leading to a naval blockade of Cuba and a declaration of war.