What this excerpt about Hecuba suggests about her state of mind is that she is deeply distraught by the sight of her murdered husband. Hamlet describes a scene when Hecuba saw Pyrrhus killing her husband before her own eyes, and was devastated by the scene. He probably uses this scene to allude to the murder of his own father and the grief his mother felt / should have felt.
Three witches meet Macbeth and Banquo on the heath (marshes) as the men return from battle
Sure hope this helps oyu.
The answer is - the climax. This is a result of the crisis, or the high point for every reader. It is the moment of the highest interest and greatest emotion.