The Warring States period in China (c. 481-221 BC) was an era of mass-mobilization warfare unlike any other the world had seen to that point. Armies of hundreds of thousands of men fought on an increasing scale for centuries, wiping out state after state until only one - Qin - would remain to rule all of China. Patrick's book is now available! Get The Verge: Reformation, Renaissance, and Forty Years that Shook the World in hardcopy, ebook, or audiobook (read by Patrick) here: https://bit.ly/PWverge. And check out Patrick's new podcast The Pursuit of Dadliness! It’s all about “Dad Culture,” and Patrick will interview some fascinating guests about everything from tall wooden ships to smoked meats to comfortable sneakers to history, sports, culture, and politics. https://bit.ly/PWtPoD Listen to new episodes 1 week early, to exclusive seasons 1 and 2, and to all episodes ad free with Wondery+. Join Wondery+ for exclusives, binges, early access, and ad free listening. Available in the Wondery App https://wondery.app.link/tidesofhistory See Privacy Policy at https://art19.com/privacy and California Privacy Notice at https://art19.com/privacy#do-not-sell-my-info.