Japan’s isolation ended in the 19th century when the country was forced to

Japan practiced a strict isolation policy up until the signing of the Kanagawa treaty on March 31, 1854. This opened the borders of Japan and forced them to trade with the rest of the world. Japan feared the escalation of the situation and succumbed to the United States and opened its ports for trade. After that Japan modernized and grew in power.

i do believe that its called,(the segovia highlands); plz check first good luck;