Answer:
Sparta was ruled by two kings, who ruled until they died or were forced out of office. Athens was ruled by archons, who were elected annually. Thus, because both parts of Athens' government had leaders who were elected, Athens is said to have been the birthplace of democracy. Spartan life was simple.
Answer:
roman system was very strict in some ways like woman and men rights but united did the same for some time too but united states doesn't anymore so its better in that sense
Do you mean Alexander The Great?
Cavalry was important because soilders had to move from place to place instead of walking along the hot desert, which was very difficult.
hope this helps :)