In act iv of the play, hamlet stabs polonius. in what ways does this event move the plot forward? check all that apply. polonius's death deepens the conflict between hamlet and king claudius. polonius's death resolves the central conflict in the play. polonius's death convinces ophelia to marry hamlet. polonius's death contributes to ophelia's madness. polonius's death causes laertes to return to denmark to get revenge. the answer is 1,4,5