Who made up theodore roosevelt's rough rider force that captured kettle and san juan hills in cuba?

The Rough Riders comprised of a collection of Western cowboys and wealthy Eastern blue bloods officially known as the First U.S. Voluntary Cavalry. They were  the first voluntary cavalry in the Spanish-American War which pitted the U.S against Spain over Spain's colonial policies with Cuba.

d. periodization. they used years or time lines with b.c. or b.c.e. or ad, ad being now, ex. 2018 is 2018 ad