It’s d because it’s taking about physical features
Answer:
The word sweet shows that the landscape is pleasing to the speaker of the poem.
Explanation:
From the poem which starts with "Five years have passed,...and again i hear these waters, rolling from their mountain-springs with a sweet inland murmur", it is clear that the author is admiring the landscape which remains the same after five years have passed with very little changing since then.
It is quite clear how the author feels seeing the mountain-springs and the water after such a long time and how they still look beautiful to him after such a time. The landscape is indeed beautiful to the author.
Reaching out to Americans who had traditionally not participated in political process.
