NOT RUSSIA, SOVIET UNION AND THE ONLY REASON THEY WERENT KILLING EACH OTHER IS BECAUSE THEY KNEW THAT IF THEY FOUGHT EACH OTHER THEY WOULD BOTH DIE FROM GERMANY. THE BOMB STARTED THE BUILD UP TO THE COLD WAR. THE SOVIET UNION, AMERICA AND GERMANY WERE ON A RACE TO MAKE THE FIRST ATOMIC BOMB, AND AMERICA MADE IT AND DROPPED IT TO SCARE OTHER COUNTRIES