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).
Answer: The civil war left the souths echonemy in ruins
Explanation: Confederate money was no longer worth anything
Worcester v. Georgia, 31 U.S. 515, was a landmark case in which the United States Supreme Court vacated the conviction of Samuel Worcester and held that the Georgia criminal statute that prohibited non-Native Americans from being present on Native American lands without a license from the state was unconstitutional.
Explanation:
it helps to increase trade relationship between nations of the world