Why does olaudah equiano use sensory details in "aboard a slave ship"?

Olaudah Equiano used sensory details in "Aboard a slave ship" in order to bring the horrors of the journey to life. He also stated "they preferred death to slavery" to express the attitudes of his countrymen. This story depicted the life and hardship of slavery.

Explanation:

Olaudah Equiano narrates the story of he found the sea and the slave ship on his arrival to the coast.Expressing fear he portrayed the anxiety of living the life of a slave.He was forced and taken by the white people as a slave and made to live under the lower decks of the ship.Beaten and ill-treated he voiced his grief and anger in this piece and hence uses sensory details to show the rugged nature of humans.