Czechoslovakia & Yugoslavia
Czechoslovakia, Yugoslavia and Poland
Poland, Czechoslovakia, Yugoslavia.
Ruler was the King of Yugoslavia, Peter I Karadjordjevic.
Yugoslavia
After World War I, the trouble spot where the war started was folded into the new nation of Yugoslavia. It remained that way until the early 1990s.
Yugoslavia
uh first of all no states in Europe or Serbia or Yugoslavia Serbia was in Yugoslavia till they all split apart
Finland, Lithuania, Latvia, Estonia, Poland, Hungary, Yugoslavia, Czechoslovakia and Austria were created as directed results of World War I.
Aside from Austria and Hungary, Yugoslavia was one, as Serbia was held by the Austro-Hungarian Empire before World War 1, and a Serbian fired the shots which began the war. Anyone else?
To avenge their loss of land from World War 1
There were no patrols in no mans land...