The development of plant cultivation eventually led to the appearance of __________.
A. irrigation and generalized tool production
B. egalitarian societies and trade networks
C. social stratification and full-time craft specialization
D. band-level social organization and part-time craft specialization
Question 2
From the end of the Paleolithic to the year 1 A.D., the world's population changed from 30 million to __________.
A. less than 10 million
B. 100 million
C. 300 million
D. over half a billion