Yamakawa remained a major port into the [[Bakumatsu]] era, if not later, and was one of a number of key ports throughout the archipelago to be equipped with coastal defenses. The American ship ''[[Morrison]]'', for example, was driven away from Yamakawa with cannon fire in [[1837]]. | Yamakawa remained a major port into the [[Bakumatsu]] era, if not later, and was one of a number of key ports throughout the archipelago to be equipped with coastal defenses. The American ship ''[[Morrison]]'', for example, was driven away from Yamakawa with cannon fire in [[1837]]. |