Buchanan was a slavery sympathizer who thought the secession was legal. There was a long historical debate leading up to the civil war on if a state could secede since states have to ratify the US constitution and so could possibly deratify and go their own way.
Ehh he did try to prevent it, it’s just that he did everything wrong. It’s Buchanan that didn’t do shit and fucked the country.
Buchanan was a slavery sympathizer who thought the secession was legal. There was a long historical debate leading up to the civil war on if a state could secede since states have to ratify the US constitution and so could possibly deratify and go their own way.