The Wu administration is known for its…

The Wu administration is known for its efficiency early in the reign of Sun Quan, who displays a knack for listening to correct advice and for delegating authorities to the proper individuals.

For example, he correctly trusts the faithful Lu Xun and Zhuge Jin, so much so that he makes a duplicate imperial seal and leaves it with Lu Xun; whenever he corresponds with Shu's emperor Liu Shan or regent Zhuge Liang, he delivers the letter to Lu Xun first (as Lu's post is near the Shu border), and then if, in Lu's opinion, changes are needed, Lu revises the letter and then restamps it with Sun's imperial seal.

Further, Lu Xun and Zhuge Jin are authorized to coordinate their actions with Shu without prior imperial approval.

Sun Quan treats his high level officials as friends and addresses them accordingly (with style names), and in accordance they dedicate all effort to Wu's preservation.

He also knows the proper roles for officials that he trusts; for example, in 225, when selecting a chancellor, while the key officials all respect Zhang Zhao greatly and want him to be chancellor, Sun Quan declines, reasoning that while he respects Zhang greatly, a chancellor needs to handle all affairs of state, and Zhang, while capable, has such strong opinions that he will surely be in conflict with Sun Quan and other officials at all times.

He also repeatedly promotes his official Lü Fan even though, while he was young, Lü Fan had informed on Quan to his father Sun Ce about his improper spending habits, understanding that Lü did so only out of loyalty to Sun Ce.

In 224 and 225, Cao Pi again makes attacks on Wu, but each time the Wu forces are able to repel Wei's with relative ease—so easily that Cao Pi makes the comment, "Heaven created the Yangtze to divide the north and south."