Oklahoma City is the answer
The answer would be A. distribution of mineral deposits.
This is because the amount of minerals found in a particular region can affect the economy because of the possible exporting of that material.
Delaware is east of the Mason-Dixon Line, not south of it. The line runs east to west separating PA and MD. It then turns ninety degrees at the wedge formed between PA, MD, and DE and runs north to south.
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The rivers start from the mountains or hills.
