The Allies took key islands that would both help them get closer to Japan itself and cut off other islands the Japanese had took over, which led to them surrendering anyways.
It helped save time, money, effort, and most importantly lives
hope this helps
3. Paine talked about opportunities for the common man.
Well it was used to describe the issues with the British at the time so maybe the principles of a new government might be your best option for it good luck