1) Factions can only arise in a consensus of freedom, because tyrannical governments do not allow opposition or different way of thinking, that is why a faction arises in the middle of freedom.
2) According to Tomas Jefferson, problems and internal differences were something that had to be accepted, and he preferred it instead of submitting to a foreign government that will inevitably create situations of oppression and tyranny. Jefferson had no problem dealing with factions, because he trusted the citizens who, well informed with their own government, would be able to settle differences and reach an agreement that would benefit all parties involved.
The South was fighting a defensive war. The confederates prefer a defensive doctrine to defeat the numerically superior Union forces and to invite foreign powers especially Great Britain in their side thus winning the war against the Union forces in the American civil war.
Transmission of communicable diseases
I believe that one main reason why is 1. Woodrow Wilson (Who was a democrat) he believed that he did not need to bring anyone from the Senate, which was a Republican :) (I hope this helps! I read this from the internet, I was gonna post it to you but I dont know if its against the rules of Brainly :) If not let me know, and ill send the link)