How Did Gaozu, the Rebel Leader Who Brought Down the Qin

Multiple Choice

How did Gaozu, the rebel leader who brought down the Qin empire, deal with the Xiongnu confederation threat?

A) he took a massive army north and defeated them soundly.
B) he adopted a policy of appeasement.
C) he formed an alliance with Mongols to wipe them out.
D) he incorporated them into the Han empire.
E) none of these.