A kiva is a room used by Puebloans for religious rituals and political meetings, many of them associated with the kachina belief system. Among the modern Hopi and most other Pueblo people, kivas are square-walled and underground, and are used for spiritual ceremonies
-From Wikipedia
https://en.wikipedia.org/wiki/Kiva
This depends greatly on the time period in question, but during the Enlightenment, many Europeans believed "the citizens" were in charge of all things including governmental systems.
It is C "It was built as the entrance to the Industrial Exploration of 1886
Cotton gins are used to separate cotton seeds from the fibers. It used to have to be done by hand, so creating It reduced the amount of time it took to create fabrics
