Question: He wanted to give the right answer.
He didn't care about what came out of his mouth.

Answer: no

Question: In that year, there were four emperors (Nero, Otho, Galba, and Vespasian), and the secret of the Roman Empire--that in a time of turmoil, a provincial commander with an army could march on Rome and become emperor--was revealed, but Rome's decline was a long way off.
Nero was the longest reigning emperor that year.

Answer: it is not possible to tell

Question: Until restoration is complete, the main reason to hit the area is to check out cultural sites, including the museums.
Until renovations are finished, there are cultural sites and museums to visit.

Answer:
yes