Answer:
Mesoamerican Civilization,
Step-by-step explanation:
What is the name of the first known civilization in Mesoamerica?
the Olmec
Struggles for control of this rich but limited farmland resulted in a dominant landowning class that shaped the first great Mesoamerican civilization, the Olmec. San Lorenzo, the oldest known Olmec centre, dates to about 1150 bce, a time when the rest of Mesoamerica was at best on a Neolithic level.