After the annexation of austria in march 1938, hitler set his sights on czechoslovakia, specifically the region known as – since it had a large number of ethnic german residents. he found a supporter in british prime minister – who saw hitler’s demands as part of a – effort to unify all germans under one government. at the historic conference held in – in september 1938, britain, germany, france, and – ultimately agreed to hitler’s annexation of the sudetenland, which ultimately whetted hitler’s appetite for more territorial conquest.