All three religions are more alike than different for several reasons. To begin with, they all strive for and promote peace. Although there are different names for the creator in each religion, they all believe in the same creator. These three religions are the worlds top three most practiced religions.
Religious and ethnical problems.
It was one of the largest empires of the world with many different ethnicities. The problem was to unite people under one rule.
Another problem was communication. It was hard to transfer knowledge and news to all parts of the empire because it was too large.
Answer
Picture if there was a pole that went through The middle of the earth verticaly. The tilt it slightly to its side. That is how the earth would rotate, on the pole.
I am sorry if this does not make any sense. I hope I explained it well enough.
