The mean center of the population of the United States shifted to the South and West as workers migrated to areas with more jobs and a warmer climate.
A large youth population, lacking educational opportunities, seek schooling in more developed countries.
Guest workers
Unmarried men in their late twenties with no children and a university education
A political push factor from Syria, where armed conflict imperils personal safety
Voluntary guest workers
Guest workers migrate to the region for jobs in construction and the oil fields, increasing the volume of exports from the region.
A continuing issue of conflict and political unrest within Syria
Chinese immigrants established businesses and religious centers that provided their new cities with greater access to elements of Chinese culture such as arts, cuisine, and religion.
The mean center of the population of the United States shifted to the South and West as workers migrated to areas with more jobs and a warmer climate.