Shi Huang Ti has some difficulty in managing his emperor. He decided to kill or banished those who opposed him or his ideas as one way to overcome workforce diversity. He is notorious for burning virtually all the books that remained from previous regimes. He even banned scholarly discussions of the past. He and his chief advisor Li Si passed a series of major economic and political reforms after unifying China. He undertook gigantic projects, which is including the first version of the Great Wall of China the famous city-sized mausoleum guarded by a life-sized Terracotta Army, and a massive national road system, all at the expense of numerous lives. Besides, Qin Shi Huang ordered most existing books to be burned with the exception of those on astrology, agriculture, medicine, divination, and the history of the State of Qin. This would also serve the purpose of furthering the ongoing reformation of the writing system by removing examples of obsolete scripts. The book name was the Book of Songs or the Classic of History Classic of History. Who own the book must to be punished especially severely. Qin Shi Huang had some 460 scholars buried alive for owning the forbidden books. His oldest son Fusu criticized him for this act. The emperor's own library still had copies of the forbidden books but most of these were destroyed later when Xiang Yu burned the palaces of Xian Yang