meaning of confederacy
1. A league or compact between two or more persons, bodies of men, or states, for mutual support or common action; alliance.
2. The persons, bodies, states, or nations united by a league; a confederation.
3. A combination of two or more persons to commit an unlawful act, or to do a lawful act by unlawful means. See Conspiracy.
4. a secret agreement between two or more people to perform an unlawful act