How were loyal allies rewarded in rome?

Ineed to try to get this right so i can get a good grade so can someone me

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.

Brainliesttt !me : ) what was the result of indian independence?