Supporters of using the atomic bomb at the end of world war ii believed that

Believed that it was the way to end the war

Explanation:

For the United States to end the war with Japan it had to invade mainland Japan. This was extremely hard even when compared to the D-Day invasion. They calculated that they would need to loose many men and Japan would lose even more soldiers and civilians. They settled on dropping the bombs for them to surrender. At the end this did not bring Japan to surrendering and the thing that pushed them to surrender was the USSR invasion that they could not defeat. And better to surrender to USA than to the USSR.

in november 1781, john hanson became the first president of the united states in congress assembled, under the articles of confederation. many people have argued that john hanson, and not george washington, was the first president of the united states, but this is not quite true.

explanation:

when in doubt choose c

it's what my teacher told my class when we were going into psats