WW2 started in 1939
Cold War 1945-1991
They disagreed on he use of nuclear weapons
FOrogt but look it up on google and it will tell u unless someone on here can answer!srry
WW2
Assuming you are referring to WW2, Hitler commited suicide shortly before the end of WW2.
There were a lot of countries involved in ww2 like Nazi germany , UK and the Soviet union who were in the allies and the japanese who were in the axis
They were attacked by Italy
The Nazis were involved in only one war, WW2.
The WW2 conflict between Germany and Russia .
A good seventy countries were involved in WW2, although a lot of these countries didn't come in until the middle of or towards the end of WW2. But France, Britain, Russia, Japan, Poland, Italy, and of course, Germany were involved in WW2 from the beginning to the end.
Since shortly after or sometime durting WW2.