The correct answer is B. Human Development Index.
The Human Development Index (HDI) takes into consideration several different factors in order to categorize nations as to levels of development. Some of the factors they use are:
A) A country's Gross National Income (GNI)
B) Life expectancy
C) Education of citizens (i.e. college degree, years of schooling for average citizen).
Does it show a pyramid or anything?
The Byzantine Greeks called themselves Rhomaoi (Romans) and their Empire the Roman Empire. They saw themselves as the continuation of the Roman Empire and never used the term "Byzantine" to describe themselves. There was no one clear period when the Eastern Roman Empire became the Byzantine Empire.
The Contras fought against a group known as the Nicaragua.
The African empires remained largely as traditionalists and agriculturists. They stayed in their territories working hard to achieve progress. The Swahili city-states were traders and craftsmen. Their culture had been influenced by Middle-Easters and Indian territories. They were able to make dealings with overseas territories which helped them increase their economy.
