Answer:
The explosion occur due to the fire in the ammunition stocks.
Step-by-step explanation:
In 1976, a team of American naval investigators headed by Navy Admiral Hyman G. Rickover concluded that the Maine explosion happened by the fire that ignited in ammunition stocks present at that ship and it was not done by a Spanish mine or act of sabotage. It was a misunderstanding that led to the Spanish-American War two month later of the incident of U.S. battleship Maine.