Period of the Amoraim
220 - 500
Period of the rabbanim recorded in the Talmud. Out of concern for the decentralization of Jewish authority due to dispersion and that the Mishna is written in a style that only someone learned could understand, the Talmud's purpose is explain the Mishna.
By Alter Kacyzne - Archives of the YIVO Institute for Jewish Research, New York (and directly from theAmerican Newspaper Repository), Public Domain, https://commons.wikimedia.org/w/index.php?curid=4306836