Will he round up and expel all the illegal immigrants?
Not all of them but most of them.
Will he charge Mexico for building a wall, even if that causes a trade war?
Yes, because it won’t cause a trade war. If it does, how could Mexico expect to win? We don’t get anything from them.
Will he be "neutral" in between the Israelis and Palestinians?
Of course not, he’s going to be so pro-Israel your head will spin. He’s going to earn a nickname like “the Great” or something.
Will he demand that NATO members pick between pay US defense costs or not be defended?
Yes. He might leave NATO altogether. The cold war is over.
Will he cozy up to Putin?
If by cozy you mean not have nuclear war with then yes.
Will he retreat from the world?
The world will retreat from Trump.
Will he ban people from entering the country based on their religion?
If that religion is Islam, yes.
Will he put tariffs on everything?
Possibly
Will he start a trade war with China?
No. New trade deals with China is not a war.
We’re going to make America great again.