In the first paragraph, while you introduce the themes of both poems effectively, you could enhance your comparison by explicitly linking the ideas of nature's power in both poems right from the start. For instance, you could state how both poets illustrate the futility of human efforts against nature's overwhelming force, setting a clearer framework for your analysis.
In the second paragraph, your analysis of Heaney's use of the first-person pronoun is strong, but you could improve clarity by breaking down your points into more distinct sentences. Additionally, when discussing the metaphor of 'leaves and branches', consider explaining how this metaphor specifically relates to the theme of nature's power rather than just its narrative function. This would strengthen the connection to the question.
In the third paragraph, while you provide a good contextual background for 'Storm on the Island', it would be beneficial to draw a more direct connection between this context and the power of nature. For example, you could elaborate on how the political tension mirrors the chaos of nature depicted in the poem. Also, ensure that your analysis of Shelley’s poem is equally detailed; currently, it feels less developed in comparison.
The essay demonstrates a clear understanding of the themes in both poems, particularly the power of nature. The use of textual references is effective, and you provide insightful analysis of Heaney's and Shelley's methods, such as the use of metaphors and adjectives, which supports your interpretations.
To achieve a higher mark, focus on creating a more balanced comparison between the two poems. Ensure that both poems are analyzed with similar depth and detail. Additionally, enhance your exploration of the effects of the writers' methods, using more subject terminology where appropriate. For example, when discussing Shelley, you could analyze the structure of the poem and how it contributes to the theme of nature's power.
Overall, the essay presents a thoughtful comparison of how poets present the power of nature in 'Storm on the Island' and 'Ozymandias'. While there are strong points in analysis and textual reference, the essay would benefit from clearer structure and more balanced treatment of both poems. Ensure that each poem is explored in depth, with explicit connections made to the theme of nature's power throughout.