Answer:
C. building the Imperial and Forb11idden cities had nothing to do with agricultural development.
The phrase or expression is meant to say that in order to receive the money you should get, you should do the job you are expected to do. Although the actual phrasing within the expression makes this a little difficult to understand this idea. In other words, you do the work, you get paid for the work you are expected to do.
In the late 19th century, classical liberalism developed into neo-classical liberalism, which argued for government to be as small as possible to allow the exercise of individual freedom. In its most extreme form, neo-classical liberalism advocated social Darwinism.
The 18th amendment outlawed the selling and making liquor in the United States in the 1920's. Although this was established, many people still consumed pre-purchased liquor,made it themselves, or famous gangsters like Al Capone sold it illegally in secret bars. Overall, it didn't really accomplish anything because even though it wasn't legal, people were drinking more than ever and crime increased majorly in cities.