I disagree.
http://en.wikipedia.org/wiki/Confederation
Confederation:
1.)A government in which all power stems from a single central authority
2.)A government that secedes from another government
My answer3.)A government in which power is shared between a sovereign central authority and various local governments
4.)A loose affiliation of sovereign states that have agreed to cede some power to a central authority
4 answers
so would it be # 4?
Yes.
Confederation: