There is only one remaining walled city in North America, and that is in Canada. It is one of the oldest cities, which is also a port and happens to be the capital of Quebec province. Quebec: founded in 1608 by Samuel de Champlain, but the first European to discover the port was French explorer Jacques Cartier who was seeking a route to Asia, while also searching for valuable minerals, such as gold. Samuel de Champlain made it a permanent base, and it eventually became a fortified fur trading post. The location gave the French the best access to North America and control over the fur trade because it was…