Drag the accomplishments to the civilization. Accomplishments may be used more than once.
1. developed the first system of writing in the Americas
2. developed the numeral zero
3. used slash-and-burn agriculture
4. developed the calendar
Maya ----- 2?
Zapotec ---- 1,3?
Olmec ---- 4,3?
Maya- Developed the numeral zero , used slash-and-burn agriculture.
Zapotec- Developed the numeral zero.
Olmec- Used slash-and-burn agriculture.