this author makes a comparison you may not like and then gives evidence;

Reasons Why Rome Fell

1. unwinnable wars with “ Barbarian” tribes. …

2. over-reliance on slave labor. …

3. inequality

4. unemployment

5. inflation

6. debasement of popular culture, violent spectacle

7. the rise of the Eastern Empire. …

8. over-expansion and military overspending. …

9. political corruption and political instability. …

10. The arrival of the central and west Asian and east European peoples collectively called the “Huns” and the Barbarians encroachment on imperial provinces such as Britain

Reasons Why the US Will Fall

11. unwinnable wars with “Barbarian” tribes: in the ME, Asia and Latin America, and now Russia

12. over reliance on slave labor. …exploitation of workers at home and abroad

13. inequality

14. unemployment

15. inflation

16. debasement of popular culture, violent spectacle

17. the rise of the Eastern Empire–China and BRI

18. over-expansion and military overspending. …

19. government corruption and political instability. …

20. The arrival of the central and west Asian and east European peoples collectively called the “Huns”, now known as “Russians” and their taking of prospective imperial provinces such as Georgia, the Ukraine and Central Asian republics.

OK. But what about the differences between the Roman and American empires, especially modernization and technology?.........read more........