By March 1939 the rest of Czechoslovakia had been carved up between Poland, Hungary and Germany
Benes
Czech leader, was forced to hand control over to Hitler
Appeasement
Made the USSR suspicious of Britain and France
The USSR made a deal with Germany (Nazi-Soviet Pact). Part of the deal was dividing Poland between them, with Germany taking Danzig and the Polish Corridor
Britain made a guarantee with Poland to defend it
On 1 September 1939, German troops entered Poland
Britain issued an ultimatum - withdraw or go to war
Hitler ignored this and on 3 September 1939 Britain declared war on Germany