The average income was $1,368, and the average unemployment rate in the 1930s was 18.26 percent, up from the average of 5.2 percent in the 1920s.
Can I see a picture of the chart or type it in the comments
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.