Do you mean "how did the roman empire fall?" because the answer for that is because since the roman empire became too big so they divided it for better control which ended up in invasions
I believe the answer is A
The correct answer is The president
Answer: The entry of the us into warfare II caused huge changes in just about each facet of yank life. several men and ladies entered military service and saw elements of the planet they might possible ne'er have seen otherwise. The labor demands of war industries caused millions additional Americans to move--largely to the Atlantic, Pacific, and Gulf coasts wherever most defense plants set. once warfare II all over, the us was in higher financial condition than the other country within the world. Even the three hundred,000 combat deaths suffered by Americans paled compared to the other major belligerent.
