Answer:
It radically altered the geography of North America north of the Ohio River. At the height of the Wisconsin Episode glaciation, ice covered most of Canada, the Upper Midwest, and New England, as well as parts of Montana and Washington.
Explanation:
GDP(Gross Domestic Product), GNP(Gross National Product)<span>, the </span>per capita income, the amount of widespread infrastructure and general standard of living, and the level of industrialization are the characteristics of more economically developed nations.
