B)
6. because the industrial revolution began in the cities, some cities grew rapidly in a
process that is called?

7. skilled workers, professional businessmen, and wealthy farmers developed into a new
social class called?

8. how did the traditional social upper class view the newly developed middle class?

6) This rapid growth process of cities is called urbanization. In the context of the Industrial Revolution, this urbanization happened because of the loss of jobs in rural areas and the creation of jobs in cities. And with people living full-time in the cities it was necessary an urban structure to support life.

7) The Industrial Revolution is one of the most important moments in the beginning of the history of the bourgeoisie. This class started to take shape a few centuries before but it was at this moment it developed into a social class of its own.

8) The traditional social upper class was the aristocrats that were used to social organizations that were becoming old. They did not see these changes in good fashion and would fight against it strongly in the French Revolution, for example. Industrial Revolution caused radical changes in the organization of society. For example, it made it much more possible for  people to change their position in society, something that was contrary to aristocracy's beliefs: for aristocrats, the position on the top of society was something you were born with.