Answer:
Actually there are 7 but the top three are,Hieroglyphic Writing In The Mesoamerican Civilization.
Polytheistic Religion In Mesoamerica.
Mesoamerica Had Lots of Agricultural Variety.
Step-by-step explanation:
here are some fun facts,
They Were the First Major Mesoamerican Culture. ...
Much of Their Culture Has Been Lost. ...
They Had a Rich Religion. ...
They Had Gods. ...
They Were Extremely Talented Artists and Sculptors.
They Were Talented Architects and Engineers.
The Olmec Were Diligent Traders.
The Olmec Were Organized Under Strong Political Power.