Rough Riders
The most famous of all the units fighting in Cuba, the "Rough Riders" was the name given to the First U.S. Volunteer Cavalry under the leadership of Theodore Roosevelt. Roosevelt resigned his position as Assistant Secretary of the Navy in May 1898 to join the volunteer cavalry.
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Answer:
It was stupendous American victory. The success gave France the confidence in the American cause to enter the war as an American ally.
Explanation:
By a war of both of the systems
I believe it is A They did not want Texas to be admitted to the union as a slave state.