To explain the necessity of the ban
This website has information on forms of Human observation to be pretty broad. It doesn't have anything specific with Bolivian villagers or there looms.
http://www.psychologydiscussion.net/behaviour/7-methods-of-studying-human-behaviour/540
Answer:
The workers followed in succession to the corn field. The would all help with the tillage today.
Explanation:
Succession-a number of people or things sharing a specified characteristic and following one after the other.
Tillage-the preparation of land for growing crops.