If you give Hitler Sudetenland then he will invade Czechoslovakia...
The first event occurred on March 12, 1938 his troops marched into Austria unopposed, the next day Germany announced they had "unionized" w/ Austria
If you give Hitler Czechoslovakia then he will sign a non-aggression agreement...
On September 30, 1938 Germany and Czechoslovakia had held a Munich Conference in which was discussing the German annexation of Sudetenland the Munich Agreement was signed and it concluded that Sudetenland would be ceded to Germany
If you give Hitler a non-aggression act he will invade Poland...
On March 15, 1939 Nazi Germany had invaded provinces of the Czech of Bohemia and Moravia.
If you give Hitler Poland, Great Britain and France will declare war on Germany...
On August 23 1939, Germany and The Soviet Union signed a German-Soviet Non-aggression act stating both military's would take no action against each other for the next 10 years.
On September 1, 1939 both Nazi Germany and The Soviet Union both invaded Poland.
On September 3, 1939 in response to Nazi Germany's invasion on Poland, Great Britain and France Declared war on Germany.