Answer:
Because there are plenty of jobs and their jobs are probably there. People would rather live in rural areas, but most are living in urban because they don't have a choice.
Explanation:
The main motivation for Greek colonization throughout the Mediterranean basin was "<span>a. The strained resources of the mountainous Balkan Peninsula," since this area provided a vast amount of natural resources. </span>
The County unit system. See the link below that will take you to that.
Reaction towards minority groups