C: depositing silt, which created rich soul for growing crops.
B is the correct answer.
One of the obligations of US citizenship is to participate in the democratic process.
By running for office, a citizen is participating and is therefore fulfilling an obligation.
<span>a dichotomous variable.</span>
Answer:
C
Explanation:
oil was important and you couldnt just find it anywhere so most would do or pay anything to get the oils just so happens a rural country had oil located all over