World War II
- https://www.historyplace.com/worldwar2/triumph/tr-austria.htm "When news of the invasion reached Britain and France, they reacted just as they had when Hitler occupied the Rhineland a few years earlier. They did nothing. "
Threat to the USA
https://en.wikipedia.org/wiki/German_nuclear_weapons_program
https://www.bbc.co.uk/history/worldwars/wwtwo/nuclear_01.shtml
russian responsibility
Poland
The urgency for a final decision on strategy increased as it became clear that, after successful Polish-Soviet co-operation in the liberation of Polish territory (for example, in Operation Ostra Brama), Soviet security forces behind the frontline shot or arrested Polish officers and forcibly conscripted lower ranks into the Soviet-controlled forces.[
https://en.wikipedia.org/wiki/Warsaw_Uprising
While approaching the eastern suburbs of the city, the Red Army temporarily halted combat operations, enabling the Germans to regroup and defeat the Polish resistance and to destroy the city in retaliation.
Czechoslovakia
Lessons
https://twitter.com/anietotylkoja/status/1661314789317005314
