Why was Hitler not dettered by the British french guarantee to Poland?

Hitler was confident that the invasion of Poland would result in a short, victorious war for two important reasons. First, he was convinced that the deployment of the world's first armoured corps would swiftly defeat the Polish armed forces in a blitzkrieg offensive. Secondly, he judged the British and French prime-ministers, Neville Chamberlain and Edouard Daladier, to be weak, indecisive leaders who would opt for a peace settlement rather than war.

Social darwinism refers to the the theory that people who succeed in our economic system will one day out compete those who fail. one day the rich will out succeed the poor so we'll that there will eventually be no more poor