Which factor contributed to the fall of the Akkadian Empire? The Persians invaded the Akkadians' territory.
Sargon conquered the Mesopotamian city-states.
Local rulers regained control over their city-states.
The Neo-Babylonians destroyed the city of Jerusalem

The correct answer is b

The founder of the byzantine  empire  and its first  emperor,  constantine  the great,  movedthe  capital of the roman empire  to the city of byzantium in 330 ce, and renamed it  constantinople.  constantine  the great also legalized christianity, which had previously been persecuted in the  roman empire.

Asa whitney was the first to advocate for a transcontinental railroad.