Answer:
A. Westward expansion was aided.
B. More employees were available for northeastern factories.
D. Shipping costs between the Great Lakes and New York City were cut to a tenth.
F. Towns grew along the canal route.
Step-by-step explanation:
The Erie Canal is the historic water transportation ways of the United States of America located in New York. The construction of the Erie Canal started on the 4th of July, 1817 and was completed on the 26th of October, 1825 with a length of 584 kilometers (363 miles).
Before the construction of the Erie Canal, majority of the people living in the United States of America were separated to the east by the Atlantic Ocean and to the west by the Appalachian mountains.
Hence, the four ways in which the Erie Canal affected the United States are;
I. Westward expansion was aided.
II. More employees were available for northeastern factories.
III. Shipping costs between the Great Lakes and New York City were cut to a tenth.
IV. Towns grew along the canal route.