Sorry I made a typo , i meant the Soviet Union Communist party, not the American party. Here's one example of documents specifically in regards to the Soviet Invasion of Czechoslovakia and the CPSU arguments/justifications for why they had to stop the counter-revolutionary uprising.
https://digitalarchive.wilsoncenter.org/collection/77/soviet-invasion-of-czechoslovakia If you can find other documents or events from the website that would be wonderful
Edit: https://digitalarchive.wilsoncenter.org/collection/9/1956-polish-and-hungarian-crises Heres another about Poland and Hungary
Sorry I made a typo , i meant the Soviet Union Communist party, not the American party. Here's one example of documents specifically in regards to the Soviet Invasion of Czechoslovakia and the CPSU arguments/justifications for why they had to stop the counter-revolutionary uprising. https://digitalarchive.wilsoncenter.org/collection/77/soviet-invasion-of-czechoslovakia If you can find other documents or events from the website that would be wonderful
Edit: https://digitalarchive.wilsoncenter.org/collection/9/1956-polish-and-hungarian-crises Heres another about Poland and Hungary