Roosevelt had resigned as Assistant Secretary of the Navy when the war started. He organized a group of horse soldiers.

战争开始时，罗斯福辞去了海军助理部长的职务。他组织了一群马兵。

The army faced little opposition. Small groups of Confederate horse soldiers struck at the edges of the army. But they did little damage.

军队几乎没有遭到一点反抗，一小群联盟国的骑兵在军队边缘发起进攻。但是，他们并未造成什么伤亡。

He organized a force of horse soldiers known as the Rough Riders. They were honored for bravery in the Battle of San Juan Hill in Cuba.

他组织了一支称为" 骑兵" 的骑兵部队，他们因在古巴圣胡安山战役中的勇敢而受到表彰。