The correct answer is D) a wide area of dry land located along the southern edge of the Sahara.I'm 100% sure for this answer.
On May 26, 1924, the U.S. government enacted the eugenics-inspired Immigration Act of 1924, which completely prohibited immigration from Asia. The law reflected the desire of Americans to isolate themselves from the world after fighting World War I in Europe, which exacerbated growing fears of the spread of communist ideas. It also reflected the pervasiveness of racial discrimination in American society at the time.
<span>1. Groundwater is the water source in the 3rd world countries. Access to drilling and pumping technologies can increase the standard of living for many villages in sub-Saharan africa.
2. Previous industrial activities have impacted groundwater sources to the point that some areas are not suitable for potable water use without extensive remediation efforts
3. Groundwater is an important source of drinking water and irrigation water in areas that are also home to natural gas production. </span>