Answer:
The essential value of the Universal Declaration of Human Rights, lays in the establishment and protection of individual's fundamental freedoms and rights. Although this document does not have the power to impose any obligations on a domestic level, it has served to bind international law's customs and propel the development of countless treaties, national constitutions, etc. Not losing sight of its limitations we can still see the massive influence it's had, in particular when it came to defining the meaning of these "fundamental freedoms" and "human rights". All members of the United Nations have adopted these igniting principles and commited to further developing the tools to secure and protect them for their citizens.
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The main idea of this paragraph is A
Sound wave is a pressure caused by the vibration of something in a medium that transfers anergy, like air.
