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Grotius defended what principle in'Mare Liberum'?

  • The closed seas

  • The free seas

  • The territorial seas

  • The inland seas

Answer

Hugo Grotius was a Dutch philosopher and jurist who defended the principle of the free seas in his 1609 book Mare Liberum. He argued that the oceans were not the property of any state and that all people had the right to use them for trade and travel. Grotius's ideas helped to establish the principle of freedom of navigation, which has been a cornerstone of international law ever since.
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