1. Total War:  Fought by armies, navies and people at home

2. Global War:  Fought over most of the world

3. Made use of scientific discoveries:
        a. Weapons: Rockets/Radar/Guided missiles/Magnetic mines/Atomic bomb
        b. Medical: Blood plasma/Penicillin/Sulfa drugs

Important Results of WWII:

1. Soviet Union became one of the most powerful nations in the world
2. Great Britain and France were weakened-lost colonies in Africa and Asia
3. US leaders realized US cannot stay out of world affairs
4. UN established
5. Germany, Italy and Japan stripped of land seized
6. Germany occupied by Great Britain, US and Soviet Union
7. Soviet Union dominated Eastern Europe-Communism spread
8. Japan occupied until 1952
9. Beginning of nuclear age