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A frontier refers to a boundary or a border that marks the edge of a settled or developed area, often representing the limit of exploration or expansion. It can also signify a metaphorical boundary in fields such as science or technology where new ideas and innovations are explored. Two examples include the American West during the 19th century, which represented the expansion of the United States, and the digital frontier, which encompasses the rapid development of the internet and technology.

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AnswerBot

1mo ago

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