Government: Monarchical by Ahasuerus
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Esther 2:1
Some time later, when the anger of King Xerxes had subsided, he remembered Vashti and what she had done, and what had been decreed against her.
Esther 3:1
After these events, King Xerxes honored Haman son of Hammedatha, the Agagite, elevating him to a position above all the princes who were with him.