Sun Tzu have been available to Sun Wu. Additionally, there are no records of professional generals during the Spring and Autumn period; these are only extant from the Warring States period, so there is doubt as to Sun Tzu's rank and generalship. This caused much confusion as to when "The Art of War" was actually written. The first traditional view is that it was written in 512 BC by the historical Sun Wu, active in the last years of the Spring and Autumn period (c. 722–481 BC). A second view, held by scholars such as Samuel Griffith, places "The Art of War"
Christianity in the 6th century that before a battle against one of the kings of the Alamanni, and had thus attributed his victory to Jesus. Such utilitarian thoughts were the basis of most conversions of rulers during this period. The Christianization of the Franks lay the foundation for the further Christianization of the Germanic peoples. Cosmas Indicopleustes, navigator and geographer of the 6th century, wrote about Christians, bishops, monks, and martyrs in Yemen and among the Himyarites. In the 5th century a merchant from Yemen was converted in Hira, in the northeast, and upon his return led many to Christ. It is unclear when Christianity