The answer is the 4th option
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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.
The Schlieffen Plan was created in World War 1. It was used by the Germans to in order to fight France and Russia in the war. Germany was one of the central powers and was therefore in the "middle" of France and Russia. Russia was allied with France, so once a country declared war on France, the Russian army had to pitch in and help them fight.
Furthermore, the Germans declared war on France and Russia was ready to mobilize.
While Russia was mobilizing, the Germans wanted to fight one front at once quickly, so they could then fight Russia. They had to march through neutral Belgium and encircle the French army.