 Nevertheless , Nazi aggression continued , and the government prepared for war . After the Munich Agreement of 1938 appeared to forestall the advent of armed conflict , the British Prime Minister Neville Chamberlain was invited onto the balcony of Buckingham Palace with the King and Queen to receive acclamation from a crowd of well @-@ wishers . While broadly popular among the general public , Chamberlain 's policy towards Hitler was the subject of some opposition in the House of Commons , which led historian John Grigg to describe the King 's behaviour in associating himself so prominently with a politician as " the most unconstitutional act by a British sovereign in the present century " . However , historians have also argued that the King only ever followed ministerial advice and acted as he was constitutionally bound to do . 
