The Czechoslovaks were appalled by the colonization of Munich. They were not invited to the conference and felt betrayed by the British and French governments. Many Czechs and Slovaks refer to the Munich Agreement as the Munich diktat (Czech: Mnichovský diktát; Slovak: Mníchovský diktát). the phrase “betrayal of Munich” (Czech: Mnichovská zrada); In Slovak: Mníchovská zrada) is also used because Czechoslovakia`s military alliance with France proved useless. This was also reflected in the fact that the French Government, in particular, considered that Czechoslovakia would be held responsible for a Resulting European war if the Czechoslovak Republic defended itself by force against German incursions.  In 1938, the Soviet Union was allied with France and Czechoslovakia. The munich quote in foreign policy debates is also at the 21th This is the custom of the century.  During negotiations on the Iran nuclear deal by Secretary of State John Kerry, a Republican lawmaker from Texas called the negotiations “worse than Munich.” Kerry himself had invoked Munich in a speech in France, in which he campaigned for military action in Syria by saying, “This is our Munich moment.”  As the threats of Germany and a European war became increasingly evident, opinions changed. Chamberlain was rewarded for his role as one of the “Men of Munich” in books like the Guilty Men of 1940.
A rare defense of the agreement during the war came in 1944 from Viscount Maugham, who had been Chancellor of the Lord.