How did Tokugawa shogunate view foreign people and their presence in Japan?

How did the battle of okinawa affect president truman’s decision to use the atomic bomb against japan? it showed that japan was close to surrendering. it showed that the us could not win the war without it. it showed that japan was willing to fight to the end. it showed the us could easily defeat japan.

Was the civil war inevitable? could anything have been done through compromise to stop it, or did it have to happen?

Which of the follow modern activities would only have been possible after the neolithic revolution