California, Texas and Illinois
Most immigrants from Mexico settled in California (37 percent), Texas
(21 percent), and Illinois (6 percent). the distribution has however shifted to other areas such as Los Angeles, Chicago, Houston, and Dallas metropolitan areas.
Answer:
I would assume that it is C. Africa
Explanation:
This is because, if you look at the map, a large portion of Africa is deemed as an area with economic water scarcity. The other regions of Africa is listed as not estimated and approaching water scarcity.