EXPANSION MATCHES THE HAJNAL LINE WHY IS IT IMPORTANT? Because the relationship

http://hbdchick.wordpress.com/2012/02/06/medieval-manoralism-and-the-hajnal-line/MANORIAL EXPANSION MATCHES THE HAJNAL LINE

WHY IS IT IMPORTANT? Because the relationship between the protestant ethic, the inclusion of women in the work force, the relative equality of women, late marriage, consanguineous marriage. ie: The lower classes had a harder time breeding. People got smarter. Unlike now, where people are getting marginally smarter but on average the world is getting ‘dumber’.