Later, at the meeting, a deception was agreed in advance to influence and pressure Chamberlain: one of Hitler`s accomplices entered the room to inform Hitler of other Germans killed in Czechoslovakia, and Hitler then shouted: “I will avenge each of them. The Czechs must be destroyed.Â  The meeting ended with Hitler`s refusal to make concessions to the demands of the Allies.  Later that evening, Hitler was concerned that he had gone too far to put pressure on Chamberlain, and he called Chamberlain`s hotel suite to say that he would only accept the annexation of Sudetenland without plans in other areas, provided that Czechoslovakia began evacuating ethnic Chechens from the majority regions of Germany by 8 p.m. on September 26. After being pushed by Chamberlain, Hitler agreed to issue the ultimatum for October 1 (the same date on which Operation Green was to begin).  Hitler then told Chamberlain that it was a concession he wanted to make to the Prime Minister as a “gift”, out of respect for the fact that Chamberlain was prepared to back down a little from his previous position.  Hitler added that after the annexation of the Sudetenland, Germany would no longer have territorial rights over Czechoslovakia and would enter into a collective agreement to guarantee the borders of Germany and Czechoslovakia.  In the spring of 1938, Hitler openly began to support calls by German spokesmen in the Sudetenland region of Czechoslovakia for closer relations with Germany. Hitler had recently annexed Austria to Germany and the conquest of Czechoslovakia was the next step in his plan to create a “Greater Germany”. The Czechoslovakian government hoped that Britain and France would help in the event of a German invasion, but British Prime Minister Chamberlain tried to avoid war. He made two trips to Germany in September and offered favorable agreements to Hitler, but Fuhrer responded to his demands.
On 29 and 30 September 1938, an emergency meeting of the major European powers was held in Munich – without Czechoslovakia or the Soviet Union, allied with France and Czechoslovakia.