Answer:
1. like the night of cloudless climes and starry skies
2. had half impaired the nameless grace which waves in every raven tress,
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. <em>l</em><em>i</em><em>ke the n</em><em>i</em><em>ght of cloudless cl</em><em>i</em><em>mes and starry sk</em><em>i</em><em>es</em>
The second example employs the repetition of the 'a' vowel sound thus;
<em>2. h</em><em>a</em><em>d h</em><em>a</em><em>lf imp</em><em>a</em><em>ired the n</em><em>a</em><em>meless gr</em><em>a</em><em>ce which w</em><em>a</em><em>ves in every r</em><em>a</em><em>ven tress,</em>