d. It is a critical role in human evolution.
e. It is a strategy that includes various technologies, but fortunately excludes language
and kinship rules which are always changing.
What common factor does Bruce Trigger propose all early civilizations share?
a. comparable periods of environmental change
b. the presence of increasingly limited access to information
c. the need to manage increasingly complex societies through political and
administrative institutions
d. all early civilizations emerged in the same basic type of environment
e. less top-down management
For most of hominin history
a. our ancestors’ reproductive capacity was much different from our ape cousins.
b. a woman gave birth every three or four years.
c. women gave birth every two years, then a few thousand years ago began to give birth
every three or four years.