What Do I Do? I Transmigrate to Great Tang in Fifty Days

Bring a movie to Li Shimin to watch and persuade him to quit. Times are different, not to mention that for an emperor, isn't this a dangerous signal? He will think that there is a country in the world that is much stronger than him.

In the chapter about bringing things, how many people should be persuaded to retreat? At first, I thought it was the king, but later I found out that it was the black iron.

She and he haven't finished writing yet

I just want to know who is the one at the end of Chapter 12?