By 1492 people had lived in the Western Hemisphere for tens of thousands of years. For much of this time it is believed that they experienced virtually no recorded, sustaied contact with other parts of the world -- Europe, Africa, or Asia.

Millions of people lived in an area some five times the size of Europe. In strikingly diverse habitats and climates they developed possibly the most varied and productive agriculture in the world. Their lifestyles and belief systems differed widely and they spoke hundreds of distinct languages.

Throughout the hemisphere, states and centers of high civilization had risen and fallen. The dynamic Mexica (Aztec) and Inca empires were still expanding at this time and internal migration and warfare were common. The peoples did not see themselves as part of an entity. Only later would this area be given a unifying name - America - and the people labeled "Indians" by Europe.