Complex sentence: Tanzimât emerged from the minds of reformist sultans like Mahmud II and Abdülmecid I as well as prominent reformers who were European-educated bureaucrats who recognized that the old religious and military institutions no longer met the needs of the empire in the modern world.
Split into simpler sentences: Tanzimât emerged from the minds of reformist sultans like Mahmud II and Abdülmecid I as well as prominent reformers who were European-educated bureaucrats. They recognized that the old religious and military institutions no longer met the needs of the empire in the modern world.