Based on the information given in the passage, it should be noted that the purpose of both authors was that Sancho and Cugoano want to show that despite of their many difficult experiences as enslaved people, they were able to persevere and become accomplished writers.
Definition of an author's purpose
The purpose of an author basically means the intent of the author. The purpose of an author means the goal of the author that he/she wants to achieve by writing passages.
In this type of case, both writers invoke God for demonstrating their religious convictions but Cugoano is much more explicit about the horrors of slavery.
Learn more about author's purpose from the link given below.
https://brainly.com/question/8973181
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