Final answer:
The poem 'When We Two Parted' demonstrates the characteristic of expressing intense and personal emotion, which is a key aspect of Romanticism.
Step-by-step explanation:
The characteristic of Romanticism demonstrated in the poem 'When We Two Parted' is that the poet expresses his own intense and personal emotion. Romanticism was a literary movement that celebrated individualism and emphasized strong emotions and personal experiences. In the poem, the poet narrates his feelings of sadness and betrayal after separating from a loved one.
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