The need for extraordinary and decisive action :D
Answer:
a fortified boundary line running through dense populations
Explanation: :()
<span>1. How did geography spur industrialization in the Northeast?
</span>B. Swift rivers provided power for machines.
2. As agriculture became entrenched in the South, B. the South became too dependent on one crop, limiting development.
<span>Correct one Is D, All the above</span>
