How was World War II unique from any other war in American or world history?

it was the most destructive conflict in history it cost more money damage more property killed more people and cause more far-reaching changes than any other war in history it is estimated that 1.5 million children done during the Holocaust

most people now work in jobs where they do one  kind  of work; they are carpenters, bankers, cooks, mechanics, and so forth. likewise, most  businesses produce  only certainkinds  of  goods  or  services, such as cars, tacos, or gardening  services. this feature of  production  is known as specialization.

d. a week

hope this