Conversation so far:
what was a cause of the spanish american war
The Spanish American War happened due to America's support of Cubans and Filipinos against Spain, and the explosion of U.S.S. Maine in Havana Harbor.
how long was the spanish american war
The Spanish American War lasted for 3 months, 3 weeks and 2 days.
when did the spanish american war happen
The Spanish American War took place April 21, 1898 – August 13, 1898.

Question: who was the winner of the war
Self-contained rewrite: who was the winner of the spanish american war