The Olmec civilization existed from around 1400 BCE to around 400 BCE. They established trade routes
A. throughout North and South America,
B. with Africa
c. with Europe,
D. throughout Mesoamerica,

D. Throughout Mesoamerica

Explanation:

The Olmec civilization was centered in the southern part of Mexico near the Gulf of Mexico. The Olmec developed extensive trade routes throughout Mesoamerica. As a result of the trade networks, the Olmec goods and ideas were spread to other cultures.

the answer to this question is the third option. hope this

"they had a large area of land that they owned."