Answer:
The answer is K28.2 ! :P
Explanation:
No need explanation in this one ! :)
Whatever you want it to be
Answer:
because it became less economically viable to push the borders further, and because of the Persians in the east.
Humans as a species find it a lot easier to consume facts if they're categorized. Therefor, we have time periods for scale and for ease of memory
