> following the terms of the German-Soviet treaty that facilitated the start of ww ii.
Correction: you were meant to say British-French-Polish-German treaty of 30th September 1938, that provided "legal" grounds for the German, Polish, and Hungarian annexation of pieces of land of Czechoslovakia, preceded by the United Kingdom and France "informally" asking Czechoslovakia to cede its Sudetenland territory to Germany on 20th September, which was followed by Polish territorial demands brought on 21 September and Hungarian on 22th September.
Correction: you were meant to say British-French-Polish-German treaty of 30th September 1938, that provided "legal" grounds for the German, Polish, and Hungarian annexation of pieces of land of Czechoslovakia, preceded by the United Kingdom and France "informally" asking Czechoslovakia to cede its Sudetenland territory to Germany on 20th September, which was followed by Polish territorial demands brought on 21 September and Hungarian on 22th September.