It expanded knowledge of the land west of the missouri river.
Your answer is Kurdistan. :D
Mesopotamia introduced a more sedentary way of life by means of agriculture and animal husbandry. So for example, instead of the nomadic way of life, which is/was going hunting, foraging, and/or fishing.
Hopefully this is right and helpful. Good luck!
Identifying a need or problem,identifying your choices,evaluating your choices,getting info about choices from diff sources,analyzing your resources,making a decision and taking an action?