Migration led to the population of the world because human life started in Africa, meaning that for people to inhabit places that are now known as America, Europe, Australia, etc., they had to all migrate out of Africa.
A few years of freedom from warfare and relative internal tranquility.
<span>a lasting constitution</span>
Planned economies replaced complete capitalism.
Negative things would be that the people living in the mountains did not have fertile soil so a food source would be difficult to find but the mild climate would give some opportunitys for farming the seas allowed the greeks to have access to fish and things like that to trade