What is the central idea of the text from The Narrative of the Life of Frederick Douglass, an American salve?

In the Narrative, Douglass shows slaveholding to be damaging not only to the slaves themselves, but to slave owners as well. The corrupt and irresponsible power that slave owners enjoy over their slaves has a detrimental effect on the slave owners' own moral health.

Explanation:

Literacy is important for each and every country.If Literacy is low in a country the it is hard for the government of the country to manage the country .Many illiterate persons will be there .Illiterate persons means they have no secularism.It is hard to construct any social structures or do any social development .