era of warring states definition
The Warring States period (Chinese: æ°åæä»£; pinyin: ZhÃ nguÃ³ shÃ­dÃ i) was an era in ancient Chinese history following the Spring and Autumn period and concluding with the Qin wars of conquest that saw the annexation of all other contender states, which ultimately led to the Qin state's victory in 221 BC as the first unified Chinese empire known as the ...