Later on, more liberal government policies were put into place; daimyo and officials were encouraged to take more ronin into their service as samurai. However, this option only could serve a minority of ronin; in an era of peace, few clans needed the large number of samurai that they would need in times of war.
The atomic bomb was not invented by any country, it was  invented in 1933 by Leo Szilard (he was in London at the time, so  when he patented the invention he sold it to the â¦ British Admiralty  who classified it to keep the idea away from the Nazis).
What Fermi had done, without recognizing it, was discover the process of nuclear fission. Two German scientists, Otto Hahn and Fritz Strassmann, were the first to officially acknowledge this process in 1938 when they successfully split uranium atoms into two or more parts.he Discovery of Nuclear Fission. To get to the Manhattan Project and the bombings of Hiroshima and Nagasaki, it helps to understand the advancements made in physics leading up to World War II. Between 1919 and the early 1930s, scientists were piecing together the important parts of the atom's structure.