What term is used to describe a region just beyond or at the edge of a settled area

The right term that is used usually to describe a region just beyond or at the edge of a settled area is a Frontier, because in that context, a frontier is a place or imaginary line that limits a region, territory, location, city or a country extension, and where sometimes the frontiers are located further or at the border of a settled area.

kind of thinking it would be c hope this out

- "schenck v. united states, case in which the u.s. supreme court ruled on march 3, 1919, that the freedom of speech protection afforded in the u.s. constitution's first amendment could be restricted if the words spoken or printed represented to society a “clear and present danger.” "

- speech aimed to potentially create danger could be banned.

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