Question

What if america never entered world war II?

Answer 1

then russia would be more dominant and the life japanese(nagasaki,hiroshima) would be very prosper.and there is no party named as "NAZI"

Answer 2

America would be more developed , than other countries and there would be loss to their place & it would also may be that america would have the largest population presently...
America would have used all its natural resources to develop n become independent for their day to day necessary things...

Hope it helps u!! :)