Pre-columbian peoples.

When the Europeans arrived in America, they found advanced civilizations and great empires.
Because Colombus believed that he had arrived in India, he called the local inhabitants Indians. However, today, these civilizations are called pre-Columbian, which means before the arrival of Colombus.

-MAYAS:
   lived in Central America and they worked mainly in agriculture, astronomy and mathematics, they used hieroglyphs.

-AZTECS:
  lived in the Valley of Mexico and they founded important cities like Tenochtitlan.

-INCAS:
   lived in high pateaus of the Andes and they worked in agriculture.