Answer:
OC, Maintaining Global Peace
Explanation:
United Nations organization was created to prevent future world wars.
"Agriculture, was followed by job specialization, then by social stratification, and finally by chiefdoms" would be correct, since agriculture allowed people to go off and do other jobs since there was a surplus of food.
They brougjt back things like money spices clothes
Not totally sure but it should be abington v.schempp