Bob Marley's lyric "Emancipate yourself from mental slavery" is from the song "Redemption Song." In the context of social studies, which historical or philosophical concept does this lyric primarily address?
A) The abolition of physical slavery and the fight for civil rights.
B) The importance of intellectual and psychological liberation from oppressive systems.
C) The economic impact of colonialism on developing nations.
D) The role of religious freedom in modern societies.