1 King Xerxes imposed taxes from one end of his empire to the other. For the rest of it, King Xerxes' extensive accomplishments, along with a detailed account of the brilliance of Mordecai, whom the king had promoted, that's all written in The Chronicles of the Kings of Media and Persia. 3 Mordecai the Jew ranked second in command to King Xerxes. He was popular among the Jews and greatly respected by them. He worked hard for the good of his people; he cared for the peace and prosperity of his race.