One Mesoamerican culture is often called the "mother culture" because it seemed to have institutionalized the features that mark later civilizations in the region. To which culture does this term refer?

A. The Inca
B. The Olmec
C. The Maya
D. The Aztec
E. The Moche

B
The principal Olmec centers were concentrated in a small region on the Gulf Coast of Mexico, but their influence extended over a much larger area.