Critics pointed out that Stowe had never been to the South, but her novel became a bestseller in the North (banned in the South) and the most effective bit of propaganda to come out of the abolitionist movement. It galvanized many who had been sitting on the sidelines.
blue law. 1. any puritanical law that forbids certain practices, especially drinking or working on Sunday, dancing, etc.
Freebase(0.00 / 0 votes)Rate this definition: Blue wall of silence. The blue wall of silence, also blue code and blue shield, are terms used in the United States to denote the idea of an unwritten rule that exists among police officers not to report on a colleague's errors, misconducts, or crimes.