>the bolsheviks, run by Vladimir Lenin, who want a very orthodox form of Marxism,

That's an anachronistic way of describing it. Leninism only becomes orthodoxy because of the success of Lenin and the Bolsheviks.

There are widespread archaeological finds going back at least to 1200 BCE. Is that hard enough?

And iron did largely replace bronze, but mostly for economical reasons. It's only with steel you get a clear superiority over bronze.

Those are all social constructs. It's entirely subjective who is included, and as such, when any groups starts or ends.

The New Testament is not one book, it's a collection of works, by a number of authors. Most of them from the east mediterranean. Much of the population there already spoke koine greek as their native language, and others used it as it was the language of learning. Latin would only have been relevant for those in power.

MBTI has been called astrology for people who do not believe in astrology. Why is astrology popular?

That's genrally considered pseudoscience.

Yes, this is pretty normal for Hindutva.