In regards to 1984, how is the current government different than any previous government? What invention enables it to be like this? Chapters 9-10...

I see two
possible answers:

All governments have "tried to impose a false view of
the world upon their followers."  So they've always wanted to be able to control what
people think.

But this was never possible because you had to have some
amount of truth (like in science).  Otherwise, you'd lose...