Why did japan open its ports to european trade after centuries of isolationism?

Question: Why did japan open its ports to european trade after centuries of isolationism!? 10 POINTS!!!?

A) Mt!. Fuji erupted and Japan needed assistance!.

B) A flood of foreigners entered the country, demanding more trade!.

C) A chinese invasion forced Japan to end its isolationism!.

D) Commodore Matthew Perry demanded that Japan begin trading!.Www@QuestionHome@Com

Best Answer - Chosen by Asker:

DWww@QuestionHome@Com

Did you get these multiple choice questions from a Japanese History textbook!? The choices given are so absurd, they almost appear to be written by the Japanese 70 years ago!

Similar to the Chinese opening their trade with the Europeans, the Japanese were also forced, but in this case Commodore Matthew C!. Perry was an American!.Www@QuestionHome@Com