answer: the people who made it was union solders from the civil war and Chinese immigrants
Of the four options, only baths belong to a water system of an estate, so the correct answer is C.
Aviary is a birdcage, colonnades are supporting columns and wrestling grounds are areas used for wrestling.
I'm guessing its the fall of China's last dynasty or the fall of Qin Shi. Hope I could help
The Longhouse (or Birch Bark House) was a long, narrow house that was traditionally built by the American Native Indians of theNortheast Woodlands. The main tribes who used the longhouse were those belonging to the powerful Iroquois Confederacy which included the Mohawk, Oneida, Onondaga,Cayuga and Seneca people. Hope this is the answer?