Answer:
Explanation:
A frontier represents uncharted territory. It could be a remote piece of land or a new field of study, but if someone calls it "the frontier," you are challenged to explore it.
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Answer:
A frontier is the political and geographical area near or beyond a boundary. A frontier can also be referred to as a "front
Explanation:
The frontier was not always a single continuous area, as California and various large cities were populated before the land that connected those to the East.
