What has ~~Ukraine~~ Czechoslovakia allowed to have happen [sic] to it's [sic] ethnic ~~Russian~~ German population comprising a decent portion of the ~~east of Ukraine~~ [sic] West of Czechoslovakia done during it's [sic] time?

The settlement of the Czechoslovakian problem, which has now been achieved is, in my view, only the prelude to a larger settlement in which all Europe may find peace.

• Neville Chamberlain, British Prime Minister, September 30th, 1938.

More context:

The Munich Agreement[a] was an agreement concluded at Munich on 30 September 1938, by Nazi Germany, the United Kingdom, the French Republic, and Fascist Italy. The agreement provided for the German annexation of part of Czechoslovakia called the Sudetenland, where more than three million people, mainly ethnic Germans, lived.