I believe the answer is
B. This pamphlet calmly disputed the claims that had been made in favor of slavery and provided ordinary citizens and abolitionists with arguments explaining why slavery was wrong.
Answer:
OB
Explanation:
This makes sure Victor's topic is focused on one thing instead of getting lost in a broad group, it allows Victor to present detailed information on his one specific topic instead of vague information about a broad topic.
I don't think he would neglect his children, or allow elders to make all the decisions, I believe that he would encourage his children to play on his own. I would go with he encourages children to play on their own.