Michigan was a large copper producer in the 19th century. Which of the following means of transportation was used to get Michigan's natural resources to eastern factories?
Steam engines were used to develop copper deposits in the East.
Railroads connected Michigan with eastern cities.
Canals connected Lake Superior with the Mississippi River.
Highways were lengthened to connect the Midwest with the East.
Steam engines were used to develop copper deposits in the East.
Railroads connected Michigan with eastern cities.
Canals connected Lake Superior with the Mississippi River.
Highways were lengthened to connect the Midwest with the East.