Considering the cultural context of ancient Israel, what was the primary significance of Boaz's act of redemption towards Ruth, beyond simply providing for her material needs?

A It demonstrated Boaz's wealth and social standing. B It ensured the continuation of Elimelech's family line and inheritance, preventing the extinction of his name within Israel. C It was primarily a gesture of compassion towards a foreign widow. D It was motivated by Boaz's desire to acquire Ruth's land.