That it took very little to make employees happy and treat them well
Scrooge realizes that being a master means taking care of and providing for those in need, rather than only focusing on profit and wealth. He learns the importance of compassion and generosity towards others.
Fezziwig was Scrooge's master, not his teacher. Fezziwig was Scrooge's employer when Scrooge was a young man learning the trade of business.
Christmas
Scrooge finally realizes the ghost is showing him his future when he sees the scene of his own death in "A Christmas Carol" by Charles Dickens.
A bright light emulating from beneath the door of the next room
Scrooge liked Fezziwig because he was very generous, and respectful to his co-workers. Also, everybody loved him.
Scrooge's partner, Marley, was dragging long chains with him as his punishment for being so evil throughout his life.
The schoolmaster from "A Christmas Carol" is a minor character who appears in the novel during a Christmas party thrown by Ebenezer Scrooge's nephew Fred. He is described as being lively and full of holiday spirit.
Both "realise" and "realize" are acceptable spellings, with "realize" being the preferred spelling in American English, and "realise" being the preferred spelling in British English.
Scrooge was scared by the sight of the tombstone because it bore his name, indicating that it was a glimpse of his own future death. This sight made him realize the consequences of his mean and selfish behavior, stirring feelings of fear and regret within him.
He is transported around each of the scenes the ghost wants Scrooge to experience without being seen
The point of it was so Scrooge could realize that these people have it rough and they are still celebrating the season with happiness.
No. To quote from the story itself (with respect to Scrooge's lodgings): "It was old enough now, and dreary enough, for no one lived in it but Scrooge, the other rooms being all let out as offices."