What were the key events that led to the bombing of Hiroshima and Nagasaki during World War II, and how did the aftermath of these attacks shape the post-war world order?

The key events that led to the bombing of Hiroshima and Nagasaki during World War II were the Japanese refusal to surrender despite facing defeat, the desire of the United States to end the war quickly and decisively, and the successful testing of the atomic bomb. The aftermath of these attacks shaped the post-war world order by establishing the United States as a dominant global power, leading to the start of the Cold War with the Soviet Union, and sparking international efforts to control and prevent the spread of nuclear weapons.