Answer: I think you put it on the right answer BBBB.
Explanation: I not totally for sure but that sounds like the best answer.
Answer D
The Invaders that caused the most trouble for the Roman Empire in the 400s CE were most likely to have come from the Germanic Territory
I think it's her grandmother
The westward expansion came together with the development of technologies that created modern work environment that we see today. This require a lot of people to be self-capable to survive in such working environment.
This situation really reflect the iconic American ideal of self-reliant individuals that we see in our society today.