As for other differences, there might be some other differences.
But it is not like Aeryon learns about the Han dynasty in detail.
He like historical stuff but it is not like he is historical nerds. It is more that he knows about some matters in history compared to the common people.
After all, learning history would not make you rich.
But those who learns history all knows, that the one praised in the history books are not always virtuous and wise and the one that are reviled in history books are not always evil and incompetent
The reason why the Yuan family is powerful in Yan is not only because they have so many officials and disciples all over the world.
But because they control the market of employment of the job in the court
There are eunuchs in the court that they could cooperate with.
Which is a bit ironic considering that they use the banner of eliminating the eunuch to save the emperor.
But nothing is weird.
There is only different position depending on the times.
