As the Little Ice Age progressed, farmers probably moved their fields to lower elevations, infringing on the lands of other farmers and pushing people together, thus contributing to the aggregations.

随着小冰河期发展，农民可能把田地移到了海拔较低的地方，侵占其他农民的土地，把人们挤在一起，从而形成了集群式的社会。