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.
blue collar. Refers to employees whose job entails (largely or entirely) physical labor, such as in a factory or workshop. For a piece of work to be termed blue collar, it should be directly related to the output generated by the firm, and its end result should be identifiable or tangible. Historically, in the West, manual workers wore blue shirt collars but clerical workers wore white. See also white collar.