Answer:
more people started using the internet instead of watching network news
Explanation:
Yes, it is true that the Federalist Papers were written by Hamilton, Madison and Jay in support of the constitution, however a large majority of them were written by Hamilton alone.
I believe its; Had understand of scientific principles, had understanding of mathematics, developed technologies which somehow were lost (The records of the lost technologies were burned down in a library/and when Roman was overran by barbarians, thus I'm not sure if the last one is correct or not.)