The Greeks worshipped Apollo because he was the god of the sun, god of music, truth and prophecy, music and poetry. And he as a whole represents the nation in a healthy way and they believed he brought them success and victory among other gods.
The Athens would continuously purchase land and the Peloponnesus would be very angry.
You asked what I thought so I am going to give you my honest opinon. Emphasis on opinion
Those who wanted to invest heavily in plantation farming had to settle in areas that were arable, fertile and had conducive environment for agriculture. The majority of such lands was in the south and thus many farmers settled in the southern regions, unlike the northern region which was infertile, and only conducive for industries.
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George Washington was the first president of America.