The correct answer is C. Massachusetts
Step-by-step explanation:
Frederick Douglass was a prominent abolitionist that lived during the 19th century, mainly known for his writings related to slavery and his support to end with slavery in the United States. Douglass was born in a family of slaves and due to this, and the social conditions in Douglass time, he was a slave during part of his youth in a plantation in Baltimore, Maryland. However, after some attempts to scape Douglass finally succeed and fled to New York City and later settled in New Bedford, Massachusets around 1838 as this state did not support slavery. Thus, the state Frederick Douglass escaped to after leaving Maryland was Massachusetts.