This was a regiment in the spanish-american war organized and led by theodore roosevelt that included cowboys

The correct answer is that the regiment led and organized by Theodore Roosevelt in the Spanish-American war was called the "Cowboy Cavalry", later known as the Rough Riders.

Explanation:

The Cowboy Cavalry was the first voluntary group to fight a war, and was made to fight the Spanish about their policies in Cuba. Cuba was also guaranteed independence after the war.

they had many gains 1 one freedom for slaves the major cause of the civil war is that the   north wanted freedom for slaves but the south didn; t creaitng the civil war

another gain they have is poltiical influence

poltiical influence is a big thing everywhere even now peoplle are always trying to get the head up in poltics thats what they did by giving the republicians a good name for freeing slaves