Role of power in works of literature?

Question: Role of power in works of literature!?

what is the role of power in these following pieces of literature:

Medea (play), Rebecca (novel), Julius Caesar (play), The Good Earth (novel)Www@QuestionHome@Com

Best Answer - Chosen by Asker:

Medea: power of revenge of a woman betrayed by her husband
The Good Earth: power of a woman, wife, and a mother!.
They are a feminist genres!.Www@QuestionHome@Com