What Canal allows a navigable water route from New York City to the Great Lakes and was created shortly after Blackstone River Valley?
Blackstone River Valley National Historical Park:  The subsequent construction of the Blackstone Canal, a few years after the successful completion of the Erie Canal, helped to sustain the region's industrial strength. Erie Canal:  Originally, it ran 363 mi from Albany, on the Hudson River, to Buffalo, at Lake Erie.
i don't know