In chapter 3; discussion is mainly on rural people. But in this chapter, the discussion is mainly on urban people. In both the cases; farmers and herders did the same type of work. But their group was much ** in case of the Harappan cities. Their work could have been more organized; compared to what it was in earlier societies. Farmers and herders (in previous chapter) mainly produced for their own use. But in case of the Harappan cities; the farmers and herders sold their surplus production to craft persons,scribes,and rulers living in cities.