Read a sentence from an argumentative essay. The guy who ran Rome didn’t like that the city looked old, so he built new stuff.

Which is the best example of how to revise the sentence to use formal language?

The emperor of Rome didn’t like how the city was built, so he ordered new buildings constructed.
The man in charge of Rome improved the facilities by ordering the construction of new buildings.
The Roman emperor wasn’t happy with the old facilities of Rome, so he constructed new buildings.
The Roman emperor improved the facilities of Rome by ordering the construction of new public buildings.