people migrate from dual areas to cities.
their culture
It was easy to migrate with
For an easier and safer way of life.
they migrate and find their way when their parents migrate.
the cushites being a small group of people compared to other groups was probably forced to migrate by other groups which passed their way as they migrated.for instance if thy fort and were defeated,or if they liked other peoples culture and decided to follow them.
Subsultures -NovaNET
SOCIAL GROUPS INCLUDED IN A CULTURE INCLUDE: culture the way of life of a group of people who share the same similar beliefs and customs, such as a community, a family, or a congregation.
Groups of people migrate from one area to another. Some groups of people speak the same or similar languages. These groups split and some go one way and others go a different way. Linguists can determine the relationship between various groups of people by studying the languages they speak. They know the patterns that languages follow when sounds change and grammar changes. The Aryan people were an ancient people who moved into North India and conquered the area. They produced the oldest religious writing. A linguist studied that writing to see if he could determine where the Aryans came from. He discovered the Aryans were Greeks. The Greeks had moved out of the Ukurane and some had moved to Greece and some had moved to India.
It may be the other way around. Japanese to South America.
no way
There is really no way to convince them other then showing that desperately that your life could not possibly go on were ever you are living.