The north American craton split from the European craton as the Atlantic ocean was created by the process of sea floor spreading and continental drift.
In the neolithic period, the time of the Clovis people, it was 100-percent Asian since that is where they are said to have come from. Since the American Indians are acknowledged descendants of the...
It was named America first, then Brazil and the places to the south were founded. They were then called North America and South America, for one is North and one is South.