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.

the answer to your question is:

strong-mayor system

offline recommendation systems option b

because recommendation systems produce a list of two ways

1. through collaborative filtering

or

2. through content-based filtering