Natural and unnatural laws
Food chins go in one direction, like a chain and food webs go in lots of different directions.
Answer: 4- large-scale economic growth that resulted in the rise of big business
Explanation:
The Transcontinental Railroad allowed for goods to be transported across great distances and to previously inaccessible areas thereby increasing trade and contributing to economic growth. It led to the rise of the great and powerful Railroad companies.
The Bessemer process made it much more easier to produce steel and as a result led to the rise of the first business to be worth over a billion dollars in the US, the mighty US Steel. The increased volume of steel production aided economic growth as steel was a very sought after commodity.