The aztecs had strict social structures including human sacrifices to the gods
Agriculture and specialization made it possible for humans to give up their nomadic lifestyle and settle in one place. This will eventually lead to making a civilization.
American needed more people to work
(1)The governor shall supervise the conduct of all executive and ministerial offices
(2) The governor shall see that all offices are filled, including as provided in RCW 42.12.070, and the duties thereof performed, or in default thereof, apply such remedy as the law allows; and if the remedy is imperfect, acquaint the legislature therewith at its next session
(3) The governor shall make the appointments and supply the vacancies mentioned in this title
I think This is it