The meeting at Yalta is one of the most considerable step towards change that came from ww2. Three leaders, (F.D.R, Josef Stallone, and Winston Churchill) divided up the central powers and distributed the central powers' assets among themselves and there allies. another, more positive change was the United States, through the needs drawn out from the war, dragged itself completely out of the depression. Business was again booming and the United States government received plenty of money from the war effort and the spoils from it. Also, the United States made a world changing statement that she was the world's most powerful nation.
Rate of change of velocity is known as acceleration.
I suggest you to go with first one a. there was heavy damage only within a mile of the bomb's impact. There're no closer description than that.
