"fountains mingle with the river/And the rivers with the ocean"
Personification
Semantic field/ imagery of nature
Context: romanticism- expressing feelings through nature as a metaphor for perfection & harmony, a reaction to the Industrial Revolution's destruction of nature.
"All things lawdivine", "Why not I with thine?"
regular rhyme maintains easy rhythm, reinforces idea of harmony
'divine' - semantic field/ imagery of religion
'law' - rule that must be followed
direct address - convincing her to be in a relationship with him