What could Buchanan have done to keep the Union the United States together?

Buchanan needed to have prevented the secession of South Carolina from the Union to keep the Union together.

Explanation: I don't have a explanation I just know its right.

julius caesar turned the roman republic into the roman empire by coming in and taking the "dictator" role during the time of a civil war (elites vs lower classes) winning battles and reputation, then declaring him dictator for life

hope this : )

in the declaration of independence, thomas jefferson announced that every human being has “certain unalienable rights,” among which are those to “life, liberty, and the pursuit of " hope i