Answer:
1. like the night of cloudless climes and starry skies
2. had half impaired the nameless grace which waves in every raven tress,
Step-by-step explanation:
Assonance refers to the repetition of vowel sounds within a string of words. It creates a vowel rhythm. In the first example, there is a repetition of the 'i' vowel sound.
1. like the night of cloudless climes and starry skies
The second example employs the repetition of the 'a' vowel sound thus;
2. had half impaired the nameless grace which waves in every raven tress,