The overpopulation of the sub-Saharan Africa is a cause and the consequence of the food shortages and the inadequate health and improper care that is due to the lack of the infrastructure and the lack of housing in the lands also the problem of the landscape changes and the unemployment are also very high.
<u>Further leading to the various environmental problem and the growth of the population at a growth rate of about 2.3% and is said to be 2 billion by the 2050s as it has a population density of about 80 per km square. Higher fertility rates ad the rise of malnutrition and violence in lands give the African continent various problems.</u>
The people of the Indus River Valley whom left a significant amount of literature yet no architectural artifacts were the Aryan people. This made it very difficult to determine their origins.
