I can confirm that Conservative Mennonite and Amish groups also fit this description. Behing highly interdependent they can't just get up and move individually.

I can confirm that Conservative Mennonite and Amish groups also fit this description. Behing highly interdependent they can't just get up and move individually. They also have large families, so projections about how that might drive future change, zoming and constuction are interesting.