One of many reasons why FDR's first hundred days in office so extraordinary was because "<span>b. He got an impressive amount of legislation passed in a relatively short period of time," since he took a very proactive role in the economy. </span>
They were both nuclear weapons, the amount of devastation these two created was unprecedented back then, not only did it kill plenty of innocent lives, but it scared the Japanese into surrendering and changed the way war worked for centuries