Christianity never kept society together unless you are totally oblivious to the number of wars fought on European soil during this so called 1000 years of stability.
There were periods of stabilty because rivals balanced each other out in terms of power that lasted a generation or two here and there but you will be hard pressed to find a Western Historian who says there is a 1000 year period of stability.
There were periods of stabilty because rivals balanced each other out in terms of power that lasted a generation or two here and there but you will be hard pressed to find a Western Historian who says there is a 1000 year period of stability.