<span>The area was generally flat and good for growing crops. Settlers could travel upriver fairly easily, but only until they reached the fall line further travel upstream on the rivers was difficult from that point on.
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Containment, this meant that the US knew it would not be able to turn a communist country to a democracy so they just tried to limit the number of countries in the USSR's sphere of influence.
The federal system allowed them to have better pay
Answer:
The Urban Rim is sparsely populated because it is one of the hottest and driest regions in the country.