Which organization classifies a country’s economic development and groups countries into three categories that include more-developed countries, less-developed countries, and least-developed countries?

united nation

Explanation:

United Nation organization classifies a country’s economic development and groups countries into three categories that include more-developed countries, less-developed countries, and least-developed countries.

Several classification levels exist, and these use a number of economic and social criteria, ranging from per capita income and life expectancy to literacy rates,nation's gross domestic product (GDP) per capita compared with other nations can also be a reference point

the organization that classified them is the United Nations

Explanation:

The United nations classifies countries economic development, this classification is review every three years. Like for the least developed countries which are low income countries confronting severe structural obstacles to sustainable development are 47.

In the classification GDP, human capital development and infrastructure are considered.

answer; /// i believe the correct answer is (when one group has an extremely high score at pretest;

world war i had a devastating effect on german-americans and their cultural heritage. up until that point   german-americans, as a group, had been spared much of the discrimination, abuse, rejection, collective mistrust experienced by so many different racial and ethnic groups in the history of the united states. indeed, over the years, they had been viewed as a well integrated and esteemed part of american society. all of this change with the outbreak of war.