Evidence has been found to suggest that the xia dynasty was china's first civilization; however for many years this dynasty, dated as far back as 1760 b. c., was thought to be the oldest. zhouhanshangshixia

Plz me on september 17, 1860to the union and confederate army’s fought the in maryland. it was one of the bloodiest battles in the civil war. a. battle of the seven pines. b. battle of antietam c. first battle of bull run. d. second battle of bull run.