Which sentence states a reason that would support a claim in favor of American use of the atomic bomb during World War II?

B

Explanation:

its B. Japan's surrender came just days after the bombing of Hiroshima, ending the war and saving the countless lives.

map scale refers to the relationship (or ratio) between distance on a map and the corresponding distance on the ground. for example, on a 1: 100000 scale map, 1cm on the map equals 1km on the ground.