Final answer:
The passages share the ideas that Frederick Douglass spoke about his experiences as a slave to combat slavery, escaped from slavery in Maryland in 1838, and spoke at an anti-slavery convention in 1841.
Step-by-step explanation:
The passages share the ideas that Frederick Douglass spoke to the public about his experiences as a slave to combat slavery, escaped from slavery in Maryland in 1838, and spoke at an anti-slavery convention in 1841.
These ideas highlight Douglass's efforts to raise awareness about the horrors of slavery and work towards its abolition. In his autobiography, 'Narrative of the Life of Frederick Douglass, An American Slave Written by Himself,' he recounted his experiences as a slave in Maryland and identified the individuals who had brutalized him.