The troll brought the coal for the mole near the pole.David Dudsen didn't dive down into the deep end

The troll brought the coal for the mole near the pole. Assonance.

David Dudsen didn't dive down into the deep end. Alliteration.

Explanation:

Sound devices are literary or poetic elements that emphasize sounds. These sound devices may be of different types- alliteration, onomatopoeia, assonance, rhyme scheme, rhythm, etc.

The given sentences are described and identified as follows-

1. "The troll brought the coal for the mole near the pole" is assonance. Assonance is the repetition of a vowel sound in close succession in a sentence or a phrase. And in this sentence, the repetition is seen in the words "troll, coal, mole, pole."

2. The sentence "David Dudsen didn't dive down into the deep end" uses alliteration. Now, alliteration is the repetition of the first consonant letter of a word in succession. And in this sentence, the alliteration is seen in the words "David Dudsen didn't dive down ... deep..." The repetition is in the letter "d".

All three of those people used music and poetic writing as a form of expression. For example, in one of Bob Marley's more popular songs, Buffalo Soldier, he speaks of slavery, saying that Jamaican and African people were 'stolen from the mainland' and brought to America to fight as soldiers for the United States government.