Answer:
First announced by UNESCO on 17 November 1999, it was formally recognized by the United Nations General Assembly with the adoption of UN resolution 56/262 in 2002.
Answer:
Stratification, is the right answer.
Explanation:
Social stratification is a sort of social differentiation whereby the population are classified into socioeconomic layers on the basis of their income, social status, wealth or derived power. In other terms, it is the social ranking of an individual within a social group or unit and geographic region.
Montesquieu he is the enlightenment thinker from France
Explained
Learned helplessness is a psychological disorder. It occurs when a person feel stressful situation repeatedly. In this situation they believe that they are not able to work and move. So that they do not try to escape or take action against the situation.
The opportunities become changed according to the situation. Martin Saligman explained about learned helplessness. Learned helplessness leads to the psychological disorder such as stress and depression. It is also included mental disorder such as PTSD.
