Beating Germany and USSR with no research in Hearts of Iron 4

My Patreon: Get the game here (my Paradox affiliate link, Steam keys): Challenges playlist: The challenge is to play as Poland and try to destroy Germany and the USSR without doing any research at all. Rules: - Play as Poland - Defeat Germany and USSR - No research - Ironman What did I do wrong, what did I do right? What should my next challenge be. Let me know