Answer:
A. A. Japan's ruler did not allow them to conduct business anywhere else.
The correct answer is - Nationalism.
Both Italy and Germany were countries were the people lived in terrible conditions. The moral was low. The unity was almost non-existent. The economies were in bad conditions.
Hitler and Mussolini used all of this things, and presented their ideology to the people as a unifying one. They promoted socialism, but also nationalism, and used the nationalism to make the people feel like a part of something big and united, feel special, distinct, and worthy of greater things.
Unfortunately, they also promoted hatred towards other nations, and also inferiority of the other ethnic group.
The Japan initially wanted the Americans expelled from their however, Perry, the American head of the troop was very persistent that after several negotiations, the Japan was made to sign the "Treaty of Kanagawa" on March 31, 1854. The treaty guaranteed that the Japanese will be the one to repair shipwrecked Americans that provides food, coal, water and other needs of the ships that docked in Nagasaki. This forced labor had affected the economy of Japan greatly. It heightened the inflation brought by the foreign money entering Japan disrupting Japan's currency.