When Considering this question you should think about the following areas.
A.Recent History.
B.Disparities Today.
C.Income distribution.
D.Health status and health care.
E.Educational Status.
Please post your comments / research here for each area. If you are posting a Google Doc link please make sure the document is "Anyone can Comment"
It is useful if you can add a short review of your findings to the comment rather than just the link.