Economic, geographic, political, and cultural
An area organized into independent political unit is a select one:
D. State
The definition of state is a nation and/or territory that is organized into an organized, independent, political unit/community under one government.
<span>It was the effect of a "food surplus" that took place during the neolithic revolution that allowed trade to begin in early civilization, since this allowed for people to have excess food with which to trade.
Hope this helps :)</span>
I think we need more information to thoroughly answer this question, but here is a small starter I did to hopefully help you out a bit :D
Overall, it makes things better because a MDC (More developed county) usually has more food, technology, etc and a LDC (Less developed country) is usually in more poverty + etc.