Mrs. X's line demonstrates psychological warfare to undermine Miss Y's confidence and convey sadness about the broken engagement.
Mrs. X's line, "Yes, Amelia dear, home is the best of all, the theatre next and children-well, you don't understand that," is an example of psychological warfare because it subtly undermines and diminishes Miss Y's understanding and priorities while conveying a sense of superiority.
In this context, Mrs. X uses the statement to undermine and destroy Miss Y's confidence by belittling her comprehension and values, thus subtly manipulating the situation to assert dominance.
Through this line, Mrs. X employs passive-aggressive tactics to convey her sadness about the broken engagement indirectly to Miss Y, while simultaneously influencing her emotions and actions.
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