At one point and time the Mayans were considered to be one of the most prosperous civilizations in North America. The mayans vast intelligence, and capability to make technological advances, made them one of the greatest early civilizations. The mayans accomplished many extraordinary things such as, establishing a large trade network, having an organized civilization, creating a cohesive number system, and making three separate calendars.
Trade networks were exceptionally important in early civilizations, they allowed civilizations to import and export goods, and they played a major role on the economy. The Mayans set up a vast trade route that spread from El Salvador all the way to the gulf of Mexico.