This is actually called the attack on the Pearl Harbor
Japan was pretty small at the time compared to The place they attacked yet they still attacked... why?...
Japan got mad because they didn’t get their end of whatever deal they were making. Also they had a large lack of supply for oil. So Japan decided to take out their anger by attacking the Pearl Harbor in Hawaii.
The Soviet government would remove missiles from Cuba if the United States agreed not to invade Cuba
Answer:
it was both good and bad for them. it was bad because they were limited to national imports and exports only. they had to rely on the little resources they had on their islands alone to survive. When they were finally ready to become unisolated and join the rest of the world, they were really far behind on their industrial era. it was good for them because it meant very little conflict with other nations.
hope this helps