FTP, name this Chinese dynasty that ruled until 200 A.D. and shares its name with the predominant ethnic group of China.
One ruler of this dynasty killed his childhood friend by hitting him with a game board, and this dynasty's Emperor Jing dealt with the Rebellion of the Seven States.  This dynasty, which underwent a massive expansion under Emperor Wudi, was founded by Liu Bang.  This dynasty was cut into two periods after Wang Mang created the Xin Dynasty.  The Taoist Zhang Jue led an insurrection against this dynasty that was put down by its general Cao Cao, that was the Yellow Turban Rebellion.  FTP, name this Chinese dynasty that ruled until 200 A.D. and shares its name with the predominant ethnic group of China.
One ruler of this dynasty killed his childhood friend by hitting him with a game board, and this dynasty's Emperor Jing dealt with the Rebellion of the Seven States.  
Han Dynasty