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.
This excerpt reinforces the idea that "B<span>ismarck believed in using force," since he is looking to Prussia's "power" as an inspiration--power specifically in the realm of the military.</span>
Answer: D- Declaration of Independence
