Warlord factions which had been persuaded to ally with PERSON@1 during the Northern Expedition had to be constantly pacified , as well as regional military governors who ruled regions that were not directly administrated by PERSON@1 's central government .

Warlord factions which had been persuaded to ally with PERSON@1 during the Northern Expedition -LRB- NUMBER@1 -- NUMBER@2 -RRB- had to be constantly pacified , as well as regional military governors who ruled regions that were not directly administrated by PERSON@1 's central government .
