Meanwhile, after September 23, 1938, Poland transferred its military units to its common border with Czechoslovakia.  Czechoslovakia yielded to diplomatic pressure from France and Britain and agreed, on 30 September, to cede territories to Germany in Munich. Fearing the possible loss of Zaolzie to Germany, Poland issued Zaolzie with an ultimatum with a majority of ethnic Poles that Germany had accepted in advance and Czechoslovakia on October 1.  A certified photographic copy of Agreement 3 signed by Hitler, Chamberlain, Daladier and Mussolini is in the National Archives. The file containing the agreement contains some additional documents, including a statement interpreting the meaning of certain terms used in the German version. 7. There shall be a right of option in and from the transferred territories to be exercised within six months of the date of this Agreement. A German-Czechoslovak commission defines the modalities of the option, studies ways to facilitate the transfer of the population and settles the questions of principle arising from the transfer. After learning that areas inhabited by Poland were to be transferred to Germany, Poland issued a note to the Czechoslovak government in which it called for “the immediate conclusion of an agreement according to which Polish territory would be indisputably occupied by Polish troops; this was followed by agreement on referendums in districts where the Polish population was densely populated.  Later, at the meeting, a pre-agreed deception was undertaken to influence Chamberlain and exert pressure: one of Hitler`s aides entered the room to inform Hitler that other Germans had been killed in Czechoslovakia, to which Hitler shouted in response: “I will avenge each of them. The Czechs must be destroyed.  The meeting ended with Hitler`s refusal to make concessions on Allied claims.  Later that evening, Hitler worried that he had gone too far to put pressure on Chamberlain and called the chamberlain hotel suite to say that he would agree to annex only the Sudetenland without any plans in other areas, provided that Czechoslovakia began evacuating ethnic Czechs from the German majority by September 26 at 8:00 a.m.