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Definition: Usually a numerical measure of quality of life in a country. Indicators are used to illustrate progress of a country in meeting a range of economic, social, and environmental goals.
they mostly established an federal government
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Explanation:
Hỏi con gà là chuẩn nhất cậu ơi nhưng mà đã có chứng mình rằng gà có trước rồi nhé