According to the Constitution what are the State rights?

http://usgovinfo.about.com/od/rightsandfreedoms/a/federalism.htm According to the Constitution what are the State rights? The United States Constitution establishes a government based on “federalism” — a hierarchical system of government under which two levels of government exercise a range of control over the same geographic area. This system of shared control is the opposite of “centralized” forms of governments, … Continue reading According to the Constitution what are the State rights?