Name two wars fought by the united states in the 1900s

Why do countries create guidelines and laws on how a country is going to be run?

How did wilhelms character and his statements before the war contribute to france and england seeing him as the supreme leader of germany during the war

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.