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).
Albert Einstein invented the technology used for an atomic bomb. he discovered that E=MC^2 and he also discovered that light is the fastest thing ever. Einstein was a theoret â¦ ical physicist and not an inventor.He gave us the special and general theories of relativity, and he did some important work on the photoelectric effect. He did invent some inventions, like the Einstein calculator.ost of Albert Einstein's work was discoveries and theories which contributed to the four majors areas of science: energy, gravity, light, and time. Einstein's Relativity Th â¦ eory contributed to the invention of the Atomic Bomb, which contributed to the ending of World War II.