But the immense areas of these pelagic fields of enterprise, and the rapid intrusion into them of other colonial powers soon rendered obsolete in practice the principle of the mare clausum, and introduced that of the mare liberum.
At this time we find writers like Salmasius and Hugo Grotius invoking it to combat Portuguese monopoly of the Indian Ocean as a mare clausum.
But Cuba has fine ports, and with her acquisition, we can make first the Gulf of Mexico, and then the Carribean Sea, a mare clausum.
The above list will hopefully provide you with a few useful examples demonstrating the appropriate usage of "mare clausum" in a variety of sentences. We hope that you will now be able to make sentences using this group of words.
