Question

what story in the bible would have had the largest impact on an enslaved person?

Answer 1

When God lead the Hebrews out of Egypt. 
Hope this helps! :)

Answer 2

Answer,

God leads the Hebrews out of forced servitude in Egypt.

Explanation,

Enslaved people would have certainly connected with the biblical story where God leads the Hebrews out of forced servitude in Egypt. Stories like this inspired enslaved people and gave them hope for a better life.

Hope This Helps :-)