sentences:  Adolf Hitler's attempt to annex the predominantly-German region of Czechoslovakia called the Sudetenland in 1938 may also be described as "Realpolitik".At first, Hitler unsuccessfully demanded for Czechoslovak President Edvard Beneš to hand over that region of the country.However, British Prime Minister Neville Chamberlain subsequently gave the Sudetenland to Hitler in the ultimately-unsuccessful hope of preventing a war as codified in the Munich Agreement.