Which of the following is a treaty to eliminate all trade barriers between canada, mexico, and the united states?
a. apec
c. caricom
b. mercosur
d. nafta

This photo shows an early mesoamerican structure, specifically from the zapotec culture. what was this structure most likely used for? a.creating terraces for farm fieldsb.practicing religious ceremoniesc.playing a ball game with stone hoopsd.protecting a city from invading armies