| − | During this time many environments shifted around the world, triggering a change in subsistence patterns. [[Hunter-gatherers]] in the Middle East begin to shift towards sedentary [[horticulture]] and early intensive [[agriculture]].
| + | It is thought that during the '''6th millenium BC''' many environments shifted around the world, triggering a change in subsistence patterns. Some historians allege that [[Hunter-gatherers]] in the [[Middle East]] begin to shift towards sedentary [[horticulture]] and early intensive [[agriculture]]. |