6. Historians give the date of the end of the Roman Empire as 476. Could you argue that the Empire was over at an earlier date? Why/How?
1

Because the fall of the Western Roman Empire occurred in 476, many historians consider it the last year of ancient history and the first year of the Middle Ages in Europe.

on this day in 1913, henry ford installs the first moving assembly line for the mass production of an entire automobile. his innovation reduced the time it took to build a car from more than 12 hours to two hours and 30 minutes.

just finished this it is b. centrifugal force