Treaty of Versailles also forbid[not allow] German-Austrian unification[no group]. Hitler wants to unite all German speakers. Germany invades (1938)
Invasion of Czechoslovakia (1939). 3 million German speakers in Czech. Hitler says this is the last territory[area] he wants.
Appeasement[ยอมสละ] by Allied powers.
Failure of League of Nations.
* Germany invades Poland in September 1939, finally bringing on WWII.