49. When Columbus arrived in the Americas in 1492, there were already thirty to forty million people in North and South these inhabitants came to America has been the of much scientific research and discussion. Most archaeologists agree that the America. It has therefore been easy for some to speak against the idea that Columbus "discovered" America. How and when first Americans, the true "discoverers" of America, northeastern Asia. There is also a great amount of proof that inhabitants- --- cross over 55-mile-wide Bering Strait that sepa when a land bridge existed-the - in the Americas for 15,000 years. To get to the Americas, these people rates Asia and North America. According to one theory, these people crossed over during continents. During Ice Ages, the Earth's water and the sea levels dropped, so it was possible to walk from Asia to North America. (to be / period / last / plan / to live / enough / should / to freeze / to have to / among / subject / nearly / quite / to come from /between) ​ срочно