Wheel?
Writing?
Well, I don’t think there is a right answer perse, although some technologies might carry more weight than others.
THe purpose of the question was more of a thought exercise than anything else. It makes one stop and think, especially in regards to the story above. Rome had what it needed, only because it didn’t know perhasp that it needed anything else. I know that “doctors” of the day would wish they had the knowledge that their modern counter parts have today, but then again, some thigns were don back in teh day that would astonish todays establishment.