Why did Montreal become more economically important than Quebec city in the 19th century?

In the 19th century, Montreal surpassed Quebec city in economic importance primarily due to its strategic evolution into a central transportation and industrial hub. While Quebec city functioned as a port exposed to fluctuating resource demands, Montreal leveraged its location to dominate trade networks.12

Several key factors drove this shift:

• Transportation Infrastructure: Montreal’s position at the confluence of the St. Lawrence and Ottawa rivers allowed it to serve as a vital entrepôt. The construction of the Lachine Canal and subsequent railway developments in the 1850s solidified its status as a hub for both transcontinental and international trade.314
• Industrialization: As the fur trade declined, Montreal successfully transitioned to manufacturing, producing goods such as textiles, clothing, and metal products. Its status as an international port connected to a vast rail network made it an ideal location for industry.15
• Technological Shifts: The move toward steam- and steel-based technologies favored Montreal over Quebec city. Early rail lines connected to Montreal, and the development of the Erie Canal diverted trade away from the St. Lawrence route that previously benefited Quebec city.2