Here’s how the accomplishments align with the civilizations:
Maya:
- developed the first system of writing in the americas
- developed the numeral zero
Zapotec:
- used slash-and-burn agriculture
Olmec:
- (no specific accomplishments listed to match)
If you need to fill all the slots, you could reiterate that the Maya developed the numeral zero again. The Olmec did not have any of the listed accomplishments, but you could state that they also used slash-and-burn agriculture like the Zapotec.