According to Jared Diamond, what circumstances contributed to the development of complex societies on the Eurasian continent?
A. having only a few species of plants and animals to draw upon for domestication
B. geographic isolation from other regions, which led to independent technological innovations
C. the spread of ideas and domesticated plants and animals from the Near East
D. access to variable microclimates
Question 2
Ideally, what characteristic should a good key informant possess?
A. formal ethnographic field training
B. being able to keep the ethnographer's purpose a secret
C. being willing to share secrets about one's neighbors
D. having a deep knowledge of the community
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