Question

Why did cities spring up at the fall line?

Miners struck oil at several spots along the fall line.
Government planners built cities at the fall line to encourage settlement.
Textile mills built near the falls attracted workers and other businesses.
The rich soil of Appalachia attracted farmers.

Answer 1

Answer: I believe A (Miners struck oil at several spots along the fall line).

Explanation: Not completely sure but let me know if its wrong, and ill try to fix it. :)

Answer 2

helping hand so explain