For critics like Paul Schrader, film noir is an aesthetic movement, consisting of a finite group of motion pictures made during a specific historical period, which share certain aesthetic traits and thematic concerns. According to this perspective, Film Noir belongs to a specific historical era, lasting roughly from .

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answer: a federal government has final authority on interstate/inter provincial  and international affairs, a confederation is one where the central/national government or authority is governing body what does not have final say over the same matters. hopefully this and i will try again if you don't like this answer : )

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