Simplify the following text for a Grade 11 native English-speaking person.
Original: He is known in the West as Suleiman the Magnificent and in the Islamic world , as the Lawgiver ( in Turkish Kanuni ; , alâ QÄ nÅ `` nÄ `` ) , because he reconstructed the Ottoman legal system .
Simplified: He is known in the West as Suleiman the Magnificent and in the East , as the Lawgiver ( ; , alâ QÄ nÅ `` nÄ `` ) , for his complete reconstruction of the Ottoman legal system .