Greece by far. It's average 498 ft in elevation and mount Olympus is 2,917 ft.
Another effect of the spread of Islam was an increase in trade. Unlike early Christianity, Muslims were not reluctant to engage in trade and profit; Muhammad himself was a merchant. As new areas were drawn into the orbit of Islamic civilization, the new religion provided merchants with a safe context for trade.
Not to poke bears that can blow america up with nukes on twitter
The job title that an enslaved person would most likely have is a field worker.