Answer:
Big Bad Wolf blows down the first two pigs' houses, made of straw and sticks respectively, but is unable to destroy the third pig's house, made of bricks.
Stephen Blackpool is a worker that works in Josiah Bounderby’s factory. Because of that, they have a contrast, Blackpool is a poor worker that fights to recover his name after he is falsely accused of robbery. On the other hand, Bounderby is the owner of the factory, he lives for wealth and self-interest. These two characters show the relationship between rich and poor and represent the society we live in. And the fight between factory owners and workers unions.
The central ideas would be that the author has proved his point that no one in this world would be born and reached the top of a success without spending an enormous time of practice which would be -- 10,000 hours.... His other central idea would be that according to him, as the psychologists look at the careers of the gifted, innate talent plays a smaller role but rule preparation or practice plays a bigger role to succeed.