Demographics is statistical data of a population. This can include how many people of each gender in a certain population, the occupations of the people, and basically anything that is statistical data.
The Industrial Revolution had a huge impact on society. The major effects were socially and economically. It is rather difficult to date the start of the industrial revolution but history books of today suggest the onset during the 18th century.
The change from agriculture to industry was vast and it must be remembered that England was the first country to undergo this profound change. The initial effect on engineering industries arising at the start of the Industrial Revolution were due partly to the geographical location of the resources i.e. coal iron and water. The inventiveness of our ancestors in these as well as other industries such as textiles chemical electrical and transportation contributed greatly to the Industrial Revolution.
I believe that the answer is a.) It was the segregation of the transportation system in the United States.
