Timur's legacy is a mixed one. While Central Asia blossomed under his reign, other places, such as Baghdad, Damascus, Delhi and other Arab, Georgian, Persian, and Indian cities were sacked and destroyed and their populations massacred. He was responsible for the effective destruction of the Nestorian Christian Church of the East in much of Asia. Thus, while Timur still retains a positive image in Muslim Central Asia, he is vilified by many in Arabia, Iraq, Persia, and India, where some of his greatest atrocities were carried out. However, Ibn Khaldun praises Timur for having unified much of the Muslim world when other conquerors of the time could not. The next great conqueror of the Middle East, Nader Shah, was greatly influenced by Timur and almost re-enacted Timur's conquests and battle strategies in his own campaigns. Like Timur, Nader Shah conquered most of Caucasia, Persia, and Central Asia along with also sacking Delhi.