Answer:
b. exploded in Havana Harbor and fueled calls for war with Spain
Step-by-step explanation:
The battleship main was an american battleship set to protect US interest in Cuba during the Cuban war. On the 15 of February 1898, it exploded and sunk in Havana Harbor in Cuba which resulted in the loss of about 260 lives. This incident resulted in a call for America to support Cuba in the war against Spain.