After the Qin Dynasty collapsed in 207 BC after four years of civil war, Liu Bang established the Western Han Dynasty
Because of ongoing and potential loss of their sea ice habitat resulting from climate change, polar bears were listed as a threatened species in the US under the Endangered Species Act in May 2008. The survival and the protection of the polar bear habitat are urgent issues for WWF.
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The colonists wanted to move west but the proclamation of 1763 didn't allow because Native Americans were already there and they didn't want another war.
We were unprepared. The radar was operated by a novice, who assumed the planes coming was just a planned arrival.