What changes did the greek empress irene make for the emire?

Empress Irene of Athens, who ruled from 797 to 802, is notable for her efforts to restore the use of icons in the Byzantine Empire after the iconoclastic controversy, promoting religious unity. She also sought to strengthen the central authority of the monarchy, consolidating power and reducing the influence of the aristocracy. Additionally, Irene is remembered for her diplomatic engagements, including attempts to negotiate peace with the Frankish Empire, which helped stabilize the region during her reign.