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).
Protecting citizens against foreign and domestic terror and threats
The 1948 United States Presidential Election is considered apart from being one of the biggest electoral upsets in American history, the start of an era of great economic prosperity and growth of the United States as a superpower in the land of politics.
After winning the election then President elect Harry S. Truman implemented and oversaw various policies in order to contain and stop the influence of communism around the world which culminated in the entry of the United States in the Korean war.
During this time period President Truman also oversaw the approval of NSC 68, a secret statement of foreign policy. Which sought to increase the defense budget and in turn increase the military prowess of the US and weaken the Soviet Union's influence as much as possible.
The results of the 1948 Presidential Elections also influenced the reform of civil rights in the US, more specifically voting rights and fair employment rights, these reforms also had a key role in ending racial segregation in the armed forces.
People in the south considered subjection or slavery to be good thing in numerous viewpoints, for example, financial aspects, history, religion and social great. Individuals of the south profoundly concurred that the finish of bondage would severe affect the south and the economy. They trusted the cotton business would crumple, and Rice would not be beneficial. There was likewise a conviction that there would be an across the board of joblessness and disorder all through the south that would lead to bloodshed. As a history perspective they contended that slavery has been practiced all through history, and they asserted it was a characteristic event of humanity. Southern's even had a contention for star bondage religion shrewd. They noticed that Abraham (from the Bible) had slaves, and they asserted Jesus never took a stand in opposition to it.
B. authors is the correct answer for this one!