section_path: History/Ancient History/Mesoamerica
section_name: Mesoamerica
paragraph_text: Mesoamerica
  
  The emergence of exchange networks in the Pre-Columbian societies of and near to Mexico are known to have occurred within recent years before and after 1500 BCE.
  
  Trade networks reached north to Oasisamerica. There is evidence of established maritime trade with the cultures of northwestern South America and the Caribbean.