I think that it may be the number 4 just give me a second? ya it is 4
They were called Federalists.
Dark matter has been given this name because it doesn't seem to interact with regular matter in any way. It doesn't collide with it, or absorb energy from it. We can't see it or detect it with any of our instruments. We only know it's there because we can see the effect of its gravity.
Uh... I suppose it's a suburban, densely populated area with high religious beliefs.
You're question was vague, but I hope that helps ^^;;