Many of the people living in the south pacific islands lack the needed education and live in poverty. The technology is not so advanced there either.
The correct answer is: mineral deposits brought wealth and power
In the past, the African Kingdoms were really famous for their wealth. Their kingdoms were located near the source of mineral deposits which granted them a huge sources of ore such as metal and Gold. As their wealth increases, it's easier for them to obtain other things like armies and weapon which bring them more power
That's true of both <em>South America</em> and <em>Africa</em>.
It is frozen into polar ice caps and glaciers.
The Mediterranean Sea, The Aegean Sea, and the Ionian Sea.