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.
While most African Americans serving at the beginning of WWII were assigned to non-combat units and relegated to service duties, such as supply, maintenance, and transportation, their work behind front lines was equally vital to the war effort.
Assuming that you want this simplified...


Use the FOIL method and combine like terms:


And your final answer is: 
Answer:
C) The teaching of evolution in public schools.
Explanation: