LIGHT BULB is the direct object of the object lamp
Answer:
to help readers understand how remarkable the success of the voyage was
Explanation:
In "The Voyage of the James Caird," the author includes the sentence about an unrelated casualty at sea to help the readers understand how remarkable the success of the voyage was.
The author brought in this detail to make the readers know that the voyage could have ended in total disaster and that the success of the voyage was remarkable.
The most prominent one is assonance since the diphthong /ai/ keeps repeating in night, by, fire, fly, but there is also an alliteration between fire and fly.