What happened during the time in history called the Warring States Period?​

The Warring States Period (475–221 BC) was an era of division in ancient China. After the relatively peaceful and philosophical Spring and Autumn Period, various states were at war before the Qin state conquered them all, and China was reunited under the Qin Dynasty. Quick Facts About the Warring States Period

Explanation:

the answer is c.

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an outline of all three paragraphsan identification of the historical era that you are writing aboutan explanation of the term mass productiona description of two ways new technology affected industrya conclusion that shows how new technologies allowed industrialization to grow