Why Chinese Study the Warring States Period

http://thediplomat.com/2013/12/why-chinese-study-the-warring-states-period/?utm_source=The+Diplomat+Brief&utm_campaign=4c8f23091a-Diplomat+Brief+2013+vol46&utm_medium=email&utm_term=0_359f367095-4c8f23091a-280258325