The answer is that it opened treaties with the Americans or
letter c. It is also called Perry
Convention and it is the first treaty that Japan had with Westerners. This happened when Commodore Mathew Perry
sailed into Tokyo Bay and made demands for supplies for his war fleet by
opening their ports. He gave them time
to think over. After realizing they were
no match for his warships, they signed a treaty with the United States which
marked the end of their seclusion.
