Please help me on this question:

Question

9. The construction of the Erie Canal was important because it
a. linked the Hudson River in New York and the Great Lakes in the Midwest, greatly increasing the trade between the two regiions.
b. helped eastern cities such as Boston and Philadelphia become important port cities
c.. allowed eastern crops to be transporteed faster and more efficiently to cities in the South and the West
d. provided the best access to the Pacific Ocean.

i know it's not B or D
thanks

Answer 1

Pacific Ocean? That's 1,500 miles from the Great Lakes.

Answer 2

so A

Answer 3

Right. A is the answer.