According to the textbook, Germany is going to attack Czechoslovakia in March 1939 and will invade Poland in September 1939. 

Germany's invasion of Poland will trigger World War II. 

Your hands are trembling as you read the textbook. 

"What should we do with this textbook, Prime Minister?" Your secretary asks. 

"Destroy it at once! It is fake!" You shout. It is impossible that Hitler would go back on his word... 

 THE END