Identify three reasons why Japan closed its doors to the outside world.

3 answers

What have you learned about Japan's isolationism? Post your ideas and we'll be glad to comment and add to them if necessary.
Fear of christianity, need for political unity and stability.
They were afraid that local Chritains would help turn he country over to a foreign power, as had happened in the Philippines.
You're right.

Also --

The Japanese didn't want their culture diluted or destroyed by Western ideas.