By Taynia-Renee Laframboise, The Catholic Thing - But we ourselves must learn from history. By seeing the world fail to unite against (Hitler) (in an effort that would have cost very little), he was emboldened to expand his evil machinations and genocidal plans across Europe. Yes, Hitler was eventually defeated, but at great cost. And far too late. Moved with remorse, the world solemnly swore “never again.”