If this is refering to the Second World War, regardless the creation of the German Bizmark, Hitlers “new deal” program was to restart the German economy. While it did contribute tension between the great powers in Europe, Hitler had youth traning programs and engineered tanks that were far superior than what France and the British had. There was and agreement between the European powers that limited naval guns to less than 13mm (which Germany spat on by equipping the Bizmark with 15mm), to reduce world tension.
Halting nuclear development would have been extremely difficult, because a lot of the world was trying to catch on to the metaphoric nuclear weapons train.
They would sing a song to hypnotize then and drag them to the bottom of the ocean and they would drown