How have social and cultural constraints affected their union? (bookbrowse.com)
Certainly UNESCO must be as critical of political constraints as it is of economic and cultural constraints on news flow, and the MacBride Report makes these dangers abundantly clear. (religion-online.org)
Everett, who lived with the tribe for 20 years, believes that the absence of both words and concepts for numbers «are the result of cultural constraints against quantification.» (sciencemag.org)