I imagine, it's A, they get a sense of the history of the area they are investigating.
Mexico is a source of cheaper labor. Hope I helped.
Blizzards, torrential rainstorms, tornadoes, hurricanes, flu epidemics,
domestic terrorism, earthquakes, nuclear war, and municipal bankruptcy
would all be pretty devastating.
The most important position that country's depend on migrants that the migrants should have job opportunities, so that they can bring their faily along as well.
Hope this Helps!
