Why are members of the creighton family’s so divided about the idea of secession from the union?

The general population’s opinion changes from one moment to another, based on what news they receive from the battlefield. They could one day love and worship one general and then hate him the next day just because it is rumored that he lost a battle or took a decision that many may not agree with. The feeling of unrest is created primarily by the ever shifting public opinion, even among the family, that can’t choose which side they want to take.