Answer: It was two major battles that after winning convinced the french to give them much needed help and aid, making it the turning point in the revolutionary war.
The Shang dynasty (Chinese: 商朝; pinyin: Shāng cháo) or Yin dynasty (Chinese: 殷代; pinyin: Yīn dài), according to traditional historiography, ruled in the Yellow River valley<span>in the second millennium BC, succeeding the Xia dynasty and followed by the Zhou dynasty.</span>
(D)The development of stone tools, because the neolithic age has to do with the development of human tools.
C
explanation: they didn't have as many people in their states so they would have less power if it was based of population.
They both discouraged contact from outsiders.
