请高手帮忙用英语翻译下面介绍秦朝的一段话，谢绝软件翻译，谢谢

Qin Dynasty is one of the most important dynasty in chinese history which was an unified dominant country developed by state of Qin in the late period of the Warring States.It ended the split phase from Cnunqiu Period lasts five hundred years and it bec