I believe the answer would be A
Khanacademy.org overview hope this helps :)
Number one; hierarchy authority, the few top ranking officials.
Number two; job specialization, everyone has a job.
Number three; formalize rules, set established rules. All used to create efficiency
"<span>Workers receive higher wages" and "More people acquire jobs and earn wages" is the major reason why </span>consumption might increase during periods of economic growth.
