If in 1938, every single neighbor of Germany attacked them in response to the invasion of Czechoslovakia, including Fascist Italy?

by Dremord
Celebreth

Unfortunately, AskHistorians only deals with what did happen, not what might have happened and I've therefore had to remove your post. However, your question would be perfect for /r/HistoricalWhatIf, should you wish to cross-post.

Thank you.