In the video clip “iousa the movie” on the state of the economy, what is the greatest threat to america's future? question 4 options: 1) social programs 2) terrorist activities 3) military expenditures 4) fiscal irresponsibility

In the video clip "Iousa the movie" on the state of the economy, the greatest threat to America's future is 4) fiscal irresponsibility.
Because generally Americans don't really pay a lot of attention to such details, it may cause many bad things to happen to their economy. Even though at the moment, its economy is quite good, things may change for the worse in the future if something doesn't change.

Ongoing civil wars western roman empire finally collapsed476 c.e. romulus, the last of theroman  emperors in  the west, was overthrown by the germanic leader odoacer, who became the first barbarian to rule in rome. the order that the  roman empire  had brought towestern  europe for 1000 years was no more.