B. To encourage citizens to mantain peace and unity
Explanation:
In general terms, for Abraham Lincoln it was inconstitutional for the Conferedate states to secede, and he promised to strenghten the power of the law in all the states. On the other hand, for Davis the Confederate states were a new nation and promised their government and slaves protection.
Even though their inaugural addresses were different and both candidates had different points of view about the future of the nation, Jefferson David and Abraham Lincoln were in the look for peace and unity, something which eventually would fail and end in the outbreak of the Civil War.
A hook in an English paper is defined as an enticing statement that grabs the reader's attention. A good way to remember this is to perhaps think of the hook like a fishing hook. And what is the job of a fishing hook? To lure the fish with good bait and grab it and get it hooked.