I am assuming that you mean in WW2. If so it change the face of Europe because other countries saw them as a threat and the threat would increase overtime. People didn't want to come to Europe especially with those two kind of government, Fascist and National Socialism many were scared to go to Europe. Mainly because their governments have authority over the people of the state.
Each city would be ruled by one king
It exchaged the. splended cultures of China
When it was collapsed in 1989
