[1] many people have argued that nothing could justify the president’s use of the atomic bomb because it killed so many innocent civilians. [2] truman himself refused to drop a third atomic bomb on japan because he was horrified by the death and devastation it had caused. [3] however, he never regretted his decision to use it in the first place. [4] using the bomb brought an immediate end to a war that might have gone on for months or even years longer. [5] it is impossible to put a number on how many more deaths the continuing war might have caused, but there are indications. [6] millions had already died in the pacific theater. [7] whenever us troops invaded an island, they knew the fight was to the death. [8] in the battle for okinawa alone, there had been almost 50,000 us casualties, while japan had suffered some 90,000 military deaths and at least 100,000 civilian deaths. [9] with his decision, truman put an end to the slaughter. which of these sentences should be followed by a citation?