In June 1853, Commodore Matthew Perry of the United States Navy led a squadron of four heavily armed warships into Sagami Bay, to the Port of Uraga, just south of the shogun's capital at Edo. What the Americans found was a technologically backward, though intricately complicated, island nation, under the rule of the House of Tokugawa, that had been isolated from the rest of the world for two and a half centuries. Whether or not the Americans realized the far-reaching effects of their gunboat d.