On the basis of population size, Salt Lake City, Utah should have crossed the 100 per 100,000 threshold for AIDS earlier than Las Vegas, Nevada. However, Las Vegas crossed this threshold in 1993 and Salt Lake City had yet to reach this rate by 1995. This illustrates, a. a cultural factor, such as religion, working as a barrier to diffusion b. a social factor, such as tourism, working as a barrier to diffusion c. In the 1920's anthropologist Manuel Gamio found an ethnic enclave in Chicago, Illinois comprised almost exclusively of migrants from Guanajuato, Guanajuato. This is an example of a. expansion diffusion b. migration stream c. distance decay 8.
International migration can have considerable effects upon school systems.
Korean and German b. Korean and Chinese c. Japanese and French 9. In Gober's publication, Americans on the Move , migration streams vary in terms of efficiency. This means this case of migrants a. did not move to major population centers. Instead they selected relatively rural locations such as Merced, California.