What three worlds met in the Americas?

This was the world of the first Americans—people who migrated to the Americas from another continent.

Explanation:

Centuries later, a different kind of immigration to the Americas would bring together people from three complex societies: the Native American, the European, and the West African. hope this helps you :)

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Explanation:

Natives were already there, Europeans came and conquered them and used the African Slaves to do all of the hard work and earning money without getting paid.