D is the correct answer my friend
Answer:
<em>The 'Youth Bulge Theory' is a concept which determines young men and women as an increasing population as well as volatile historically. </em>
<u>Explanation:
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It occurs particularly in least developed countries and mainly in developing countries. This theory identifies the idea of raising potential for rebellion by the presence of even more than 20 percent of young people. 'Youth Bulge Theory' is helpful in decreasing infant mortality rates. Hence, the Youth Bulge theory of South Africa best explains this theory.
Well being outside is basically playing and how little children actually gets tired. They run a lot , scream, play in dirt or run through, like we use to. They are same but in two different types of ways.
Military supplies such as planes war ships bombs it was the largest industrial expansion in history hope this helps.