Low food/water, bad weather, and sorry I don't know the last one
Answer: It isolated the countries from the capitalistic system of Western Europe
Explanation:
No, because today there aren't as many Native Americans living in Georgia.
The answer is A) He developed new methods of steel production.
With new found resources, more people wanted to join the sciences and arts. With that much resources into science, what we knew exploded into so much more.