Robert Putnam studied[0] the civic engagement and social trust of diverse/homogeneous societies and found that factor alone sufficient explanation. Fewer Americ

Robert Putnam studied[0] the civic engagement and social trust of diverse/homogeneous societies and found that factor alone sufficient explanation. Fewer Americans live in places as sparsely populated as those our ancestors did. [0]: http://archive.boston.com/news/globe/ideas/articles/2007/08/05/the_downside_of_diversity/ http://archive.boston.com/news/globe/ideas/articles/2007/08/...