References to Norway may frame Shakespeare's Hamlet, but the conflict between Norway and Denmark is not in any way central to the play. The references provide background information in Act I (the king of Norway's death at the hands of King Hamlet, the threat of invasion, etc.), and catharthis and cleansing in Act V (the evil is destroyed and Fortinbras will stabilize the political situation in Denmark). Fortinbras also serves as a foil to Hamlet, of course. But, again, this political and military conflict is not central to the play.
Thus, you should probably think in terms of what this conflict contributes to the play as a whole, rather than think of what occurs in the royal bedroom contributing to this conflict.
That said, the one event that occurs in the royal bedroom that does affect the conflict between Denmark and Norway might be Hamlet's killing of Polonius. This moves Claudius to send Hamlet to England and order Hamlet's execution. The conflict between Claudius and...
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