Thus , Ma Chao gradually regained his strength , and once again wielded great influence over local non-Han people .
Unexpectedly , Su Bo in Hejian rebelled , and Cao Cao decided to lead his main army to quell the uprising , sparing Ma Chao the time to recuperate .
Ma Chao gradually regained Ma Chao 's strength , and once again wielded great influence over local non-Han people .
Unexpectedly , Su Bo in Hejian rebelled , and Cao Cao decided to lead his main army to quell the uprising , sparing Ma Chao the time to recuperate .