Answer:
It Helps Students To Become Better Citizens: Subjects in Social Studies like Economics, Political Science and History educate students on Political Ideologies, Constitutional Laws, Citizenship, Rights and Duties, Morals and Virtues, Social Code of Conduct, thus making children aware of their roles and responsibilities ...
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The economic term for this is "opportunity cost".
Opportunity cost is the cost of the options that one is not choosing. This means that if one has to choose between A and B, opportunity cost is the cost of "giving up B" when one chooses A.
They are both independent agencies.