I believe he used spunk in order to describe a strong personality.
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
The answer is Problem and Solution
I hope i helped you
the correct answer is B: Europeans do not see Indians as civilized people