<span>Around 12,000–15,000 years ago Native American came from northeast Asia crossed the Bering Land Bridge to enter and inhabit North America beginning in Alaska but rapidly spreading throughout North and South American and the Caribbean islands. They are The first American farmers, The first American civilizations, The people of north America. The natives Americans of this region derive their crops from the more advanced civilization to the south.</span>
Answer:
The demand for tobacco in Europe
Explanation:
America was isolationist- everyone wanted to stay out of European military affairs at all costs and they felt that the League of Nations would drag the US into unnecessary affairs.
it made it faster and more better but now days we dont use them sadly
Since the North American continent is very diverse when it comes to physical geography, one of the main factors would be river flows and mountain chains affecting transportation routes within the continent, and oceans and mountain chains affecting rainfall that is vital for the crops.