it would be called a drought
A drought has the same meaning worldwide, and is therefore still a drought, unless you wish to know the African word for drought. In that case there are many, seeing that Africa is made from many countries with different languages, the most common language in Africa is Swahili, in which drought would be ukame.
Drought, and infertile land
Aridity is the closest to a "scientific" term that you will find.
drought was one main factor that caused the dust bowl.
Yes
Drought has usually been a problem for dry areas. But it has been a problem since the beginning of whenever drought was first seen
Northern Mexico has arid or semi-arid climate, as it falls within the limits of the Sonoran and Chihuahuan deserts; also during the last years a severe drought has been affecting the region.
Drought and rebublicans.
How did a drought got worse over the time?
drought
Drought was the most serious problem.
Air pollution
drought, deseise,snakes,robbers, and floods
Drought, soil erosion and competition from cattle ranchers.
Not sure what you want to know. Some particular drought may have some particular problem associated with it, but , in general, a drought is an extreme shortage of water. Water is necessary for crops , animals and humans. In a severe drought, crops dry up, farm animals would die, if not killed for food. People would die, but they generally migrate to seek water, or else relief agencies bring them water. Drought cause food shortage and make sanitation difficult. Lack of sanitation leads to disease. Countries where drought are common often suffer from poverty.
Examples: pollution, floods, landslides, drought, earthquakes, deforestation etc.