The explosion that destroyed the u. s.s. maine in havana harbor on february 15, 1898, was proven to have been the work of spanish saboteurs .

answer: the maine was sent to the havana harbor to protect u.s. interests during the cuban war of independence. the maine was blown up and sunk on the evening of february 15th 1898, killing 266 crew members on bored. in 1989, a u.s. navy board of inquiry ruled that the ship had been sunk by an external explosion from a mine.

propriety is the answer. hope this !

explanation:

the  wilmot proviso  was designed to eliminate  slavery  within the  landacquired as a result of the mexican war (1846-48). fearing the addition of a pro-slave territory, pennsylvania congressman david  wilmot proposedhis amendment to the bill.