I believe the answer is: A-he disagreed with slavery but supported compromise
Daniel Webster was known as the leading supporter for Fugitive Slave Law of 1850 that required federal officials to capture and punish slaves that were running away. Because of this Webster was viciously attacked by the abolitionist because he agreed to the compromise rather than fully eliminated slavery.
Government interference in business
I can't see the options (did you provide any? Is this multiple choice?), but I would assume they could guess that the domestication of animals was employed in that society, or learn what the people ate.