"<span>C. The South had more miles of railroad track" is not accurate. Railroads were largely situation going from East to West. It is true that the North had a broader industrial base. </span>
All of the above is the answer
Well to start of with u can cross out a and c so now your left with b and c
So the answer is (D)
This helped<span> to keep the population of whales up, and also increase the amount of oil produced. Timber was important in the </span>industrial revolution<span>, along with oil and coal. ... Iron was essential for creating the new machinery at the </span>beginning<span> of the</span>industrial revolution<span>.</span>