How did the munich agreement lead to world war 2?

The 1938 Munich Conference can be said to be one cause of World War II because of two connected factors. The first is that Hitler's sense of destiny (or, his confidence) was amplified, with a related boost of confidence in the German people and military leaders. The second is that the western allies presented themselves as weak-willed, as intimidated, as mere "appeasers" of aggressive policies by other nations, which opened the door to even more aggression by Germany, in particular.