Human sacrifice played a key role in shaping ancient societies: Brutal butchery of the lower classes created a hierarchy and helped the elite gain power

Read more: http://www.dailymail.co.uk/sciencetech/article-3522815/Human-sacrifice-played-key-role-shaping-ancient-societies-Brutal-butchery-lower-classes-created-hierarchy-helped-elite-gain-power.html#ixzz44sjSYG3B Follow us: @MailOnline on Twitter | DailyMail on Facebook