During the Warring states period, various states in China
were at war. There were seven states in China that were in conflict. It is
during this period that the Qin state conquered them all, and China was
reunited under the Qin Dynasty.
Ellos tuvieron que adaptarse al cambio climático y tuvieron que desarrollar nuevas formas de crecer y cosechar los alimentos.<span>
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The dangerous period of rivalry between the United States and the Soviet Union was called the "Cold War" <span />
