The US has never been bombed? That&#x27;s patently false. The American Philippines? Pearl Harbor? The balloon bombs? Attu &amp; Kiska? None of that rings a bell?<p>At the time of their introduction, nuclear weapons were not yet understood as qualitatively different from an equally powerful amount of conventional weapons. The qualitative difference observed after Hiroshima and Nagasaki helped establish this qualitative difference in the minds of people.