Answer:
1) Claudius learns of Polonius's death
2) Claudius sends Rosencrantz and Guildenstern to find Hamlet and calls a council meeting
3) Hamlet will not tell Rosencrantz and Guildenstern where he has put Polonius's body
4) Claudius's soliloquy reveals that orders have been called for Hamlet to be killed as soon as he arrives in England
5) Fortinbras and his army pass through Denmark on their way to Poland
Explanation:
These events start in the Act 3 Scene 4 of Hamlet by William Shakespeare and ends in Act 4, scenes 3–4, all this is the beginning of the all the killing and madness that represents the main idea of Hamlet, as this leads him to definitely lose his mind, the death of Polonius affect the way the characters interact not only the mental state of Hamlet and Ophelia.