Question

which president organized the volunteer rough riders cavalry unit for service during the spanish-american war?

Answer 1

President William McKinley
Following the sinking of USS Maine, President William McKinley needed to muster a strong ground force swiftly, which he did by calling for 125,000 volunteers to assist in the war. The U.S. had gone to war in opposition to Spanish colonial policies in Cuba, which was then torn by a rebellion.