Answer:
The background of the play is "who is the rightful ruler of Denmark". The story starts with the death of King Hamlet. Claudius, his brother becomes the King and marries the widowed queen, Gertrude. Hamlet, the prince, is shocked by the betrayal and believes that Claudius murdered his father to seize the crown.
Step-by-step explanation:
Hamlet is first and foremost a play about revenge. The political element in "Hamlet" is used to explore the main two themes; revenge and the corrupting nature of power.