He was afraid that south korea would also become a communist nation. he wanted to prevent the spread of communism.
Answer:
True
Explanation:
The isolation period in Japan, known in Japanese as Sakoku, meaning "closed country", started in 1639 by Tokugawa lemitsu, the third Shōgun (military dictator) of the Tokugawa Shogunate.
The period of Sakoku lasted until 1853, when American Navy Official Mathew Perry use military force to compel Japan to open its ports to trade.
During this period, the only contact that Japan had with the world was through with China through the port of Nagasaki, and with the Dutch, who had a small factory in the town of Dejima.
True they would also grant citizenship to certain people
