Slave who sued for freedom, claiming that

by living in free territory, he had earned his freedom

KjohnbenAmbitious

the correct answer is B

a slave who was suing for his freedom because his master had taken him into free territory

the dred scott involved a slave who had travelled with his master to a free territorry. The slave brought the challenge after his master deathon his own and behalf of his wife over his freedom. The court ruled against him, arguing that slaves could not be granted citizenship.