If Merchants thronged to the large cities that were growing up around the castles at Edo (population already 1 million in the 18th century), Osaka (400,000), and Nagoya and Kanazawa (each 100,000) all huge in comparison with European cities of the time., can we conclude that "Merchants thronged to the large cities, because they could sell their wares easily and for higher prices."?
it is not possible to tell