The Impact of the Erie Canal on New York’s Trade and Economic Growth in the Early 1800s

What change described in this video had the greatest impact on New York and why?
New York Disc 1 06 Trade & Economic Growth in the Early 1800s – YouTube https://www.youtube.com/watch?v=wuWTDHu8-7Q&list=PLoHCsZBLJKM_TWidHjSKnoQ31wmXUc8PT