What events led to the spanish-american war that began in 1898?

The events that led to the Spanish-American war were America's support of the ongoing struggle by Cubans and Filipinos against Spanish rule, and the mysterious explosion of the battleship the U.S.S. Maine in the Havana Harbor.

Explanation:

the completion of the erie canal spurred the first great westward movement of american settlers, gave access to the rich land and resources west of the appalachians and made new york the preeminent commercial city in the united states.

d: social contract theory