#conspiracy__confederacy  a secret agreement between two or more people to perform an unlawful act
  supertype:  understanding__agreement  the statement (oral or written) of an exchange of promises; "they had an agreement that they would not interfere in each other's business"; "there was an understanding between management and the workers"
  subtype:  conspiracy_of_silence  a conspiracy not to talk about some situation or event; "there was a conspiracy of silence about police brutality"

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