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.
The answer is the origin and development of species. During his journey, he took note of the similarities
and the differences in the animals that he observed. How they were related and what made them
different from one another. It is from these observations that he created his
Theory of Evolution.
The Smith Act made it unlawful to teach or advocate the violent overthrow of the U.S. government.