During alexander the great’s reign, darius iii was the king of.
a. athens.
b. persia.
c. rome.
d. sparta.

The right answer is Darius iii was the king of Persia. As the ancient knowledge tells, Darius III was the most important opponent of Alexander the great, and one of the most achievements of his conquests. The Persian kingdom was an immense empire, established two centuries before and extending from portions in North Africa, Mediterranean, India and central Asia. Even the odds against Alexander the great, he succeeded in defeating the Persian army during three major combats.

after the roman empire, the catholic church began to unify by taking on many duties of a government.