September 1st, 1939 to September 2nd, 1945
I do not have your choices of "the following" Here are some reasons I learned: Christianity, empire was too big and became hard to manage, there were many nonromans attacking parts of empire- Goths, the emperors themselves were weak or insane intrigue was rampant.
Answer:
Ur-Nammu. The final gasp of Sumer leadership came in 2100 B.C. when Utuhegal, king of Ur, overthrew the Gutians.
Explanation:
Alfred Wegener<span> brought together several lines of </span>evidence<span> to support his theory of continental drift. One is quite simple -- that the continents look like they could "fit" together, much like puzzle pieces that have drifted apart.</span>
