Answer:
okay which challenge and what is it
Explanation:
The answer is given by the second sentence which explains that “Railroads provided cheap and fast transportation for both raw materials and products.”. Aside from this, another reason was because agricultural products were being overproduced by that time. There were too many products available in the market which is why the prices became too low.
It is A. Nobles tended to carry out more important responsibilities than the average person.
A caste system was created to describe the various mixes and to assign them a different social level.