The ancestors of living Native Americans arrived in what is now the United States at least 15,000 years ago, possibly much earlier, from Asia via Beringia. A vast variety of peoples, societies and cultures subsequently developed.
Answer:
I dont think thats possible
Explanation:
But in my history class they asked the same question and the teacher said maybe around 3-4million dollars
In a short term: the Mongols would have have the control over the lands.
In a long tern: either the European powers would not have conquered the other continents during the colonial time, or if the Mongols had done the same, possibly in the Americas and Africa Mongolian would be spoken today.