Olmecs As First Complex Mesoamerican Society
For which of the following reasons are the Olmecs considered the first complex society in Mesoamerica?
AThey were the first to establish a formal medical tradition.
BThey migrated from Western Europe and settled the region prior to other societies.
CThey were the first hunter-gatherer society in the region.
DThey developed the first written language and numerical system in the region.