Respuesta :
Answer:
The correct answer option is C. the border between two states.
Explanation:
Frontier is defined as the border between two states.
The word frontier is a French term which means 'borderland'.
In other or simpler words, frontier is the political and geographical area which is near by or beyond a specific boundary separating the two countries.
Therefore, the correct answer from the given options is: the border between two states.
Answer:
A. the outer limit of what is known or explored
Explanation:
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