The erie canal connected

a. lake erie with the hudson river
b. the mississippi river with new orleans
c. the hudson river with the mississippi river
d. the cities of the atlantic coast

The correct option would be A.Lake Erie with the Hudson River

Explanation:

In the late 1800s, transportation became more advanced. For instance, the Erie Canal, which connected the Hudson River to the Great Lakes. Hope this helped ;)

a and b because with the other three, they simplify to something else.