Which of the following arguments decided the debate over using the atomic bomb against japan in 1945?

It seems that you have missed the given options for this question, but anyway, here is the correct answer. The argument that decided the debate over using the atomic bomb agains Japan in 1945 is this: Using the bomb would shorten the war and avoid heavy casualties among invading troops. Hope this answer helps.

This act gave the federal government the power to relocate any native in the east to territory west of the mississippi river.