Next, review the definition of the term "frontier."

Select the correct definition of "frontier."

A. the outer limits of what is known, explored, or settled
B. an established territory that has been explored but needs to be settled
C. an unexplored destination that is rumored to be available but remains untouched



Answer :

Final answer:

The frontier represents the outer limits of knowledge and exploration, playing a crucial role in historical expansion and understanding.


Explanation:

Frontier can be defined as the outer limits of what is known, explored, or settled. It represents areas that are at the forefront of knowledge and exploration in various fields.

In historical contexts, such as in the early modern period, the frontier was seen as an outer line of expansion, distinct from a border, and symbolized areas of growth and exploration.

Paul Tillich described the frontier as a productive place of understanding, highlighting its significance in pushing the boundaries of knowledge.


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