 Lady Wu rendered much assistance to Sun Quan in administering political and military affairs.Around 202, the warlord Cao Cao, who controlled the Han central government, demanded that Sun Quan send one of his sons to the imperial capital Xu (許; present-day Xuchang, Henan) as a hostage so as to secure Sun's allegiance towards him.When Sun Quan gathered his subjects to discuss the issue, they could not arrive at a conclusion.