Originally Posted by shek

Here's a few to start things out:

-Japan and Germany rising from the ashes as democracies
-Having actually used the atomic bomb so that its proven destructive power made leaders less likely to use it during the Cold War
-The computer
-Huge advances in radar
-The GI Bill for the US servicemember (funding for college)
-Paved the way for desegregation in the US military just following the war based on the proven combat records of black units
-The jeep was born (I don't own one, but they're still cool)