A national border would most likely have the most protection because nation's seek to prevent the import of illegal goods, movement of individuals into the country, and also to protect their borders against potential foreign invasion. Traditionally national borders would have more defenses, army, security forces, and police to protect the border than any of the rest of these borders.
The correct answer is A. State. ;
C. National borders typically have the most protection due to government responsibility, military presence, historical context, international relations, and geopolitical factors. These borders are fortified to prevent illegal activities and protect national sovereignty.
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