It was most directly related to democracys crops
Answer:
The northern hardwood forest is a general type of North American forest ecosystem found over much of southeastern and south central Canada, Ontario and Quebec, extending south into the United States in northern New England, New York, and Pennsylvania, and west along the Great Lakes to Minnesota and western Ontario.
Explanation:
-Water ways were major improvements to the US to help w/ transportation.
-steam engines helped by allowing railroads to be built and transport items
-this allowed more jobs to be useful for the US to grow
