about 200,000 people died in both bombings together
the Russians invade the north of Japan so we wanted to stop them from taking any more land and we wanted to show them we had bombs
"As one scholar who studied the U.S. invasion plan, Operation Downfall, notes: 'depending on the degree to which Japanese civilians resisted the invasion, estimates ran into the millions for Allied casualties and tens of millions for Japanese casualties.”'
quote from thediplomat.com /2014 /08/how-hiroshima-and- nagasaki-saved -millions-of- lives/
all of these people would have died, including civilians
some people might say that we broke the law by using a poison weapon because it caused radioactive poisoning to people around the blast, but it was not technically a poison weapon because it wasn't meant to poison them, it was just a side effect of the bombing