Tobirama should've killed Madara and dealt with the whooping that Hashirama was going to give him. No problems there; no other Uchiha would ever rise to be powerful enough to challenge him or Hashirama, and they would force the truce.
Madara would become power hungry and he was already tinted by evil.Hashirama is the best choice, Tobirama isn't the best roll model for other Kages that will take after him.I believe the 1st should set a bar for the other Kages to reach or surpass.Later on Tobirama's love for the village rivaled Hashi's which is more than enough to be a good Hokage.
Madara or Hashirama..
tobirama would just Kill the Uchiha *OH he made it happen.*
hashi is the Perfect how you can say it.
Madara don't know but there will be better peace then now i can tell You if Tobirama died
The best would definitely be Tobirama. He would take care of Uchihas, kill Madara -> no Uchiha being a threat anymore ever(possibly). Tobirama would make better decisions for the village while Hashi cared for the good of his friend.
Tobirama was god awful, in a way you can lead him to being the indirect cause of Sasuke wanting to destroy Konoha. Furthermore he created the Edo Tensei, how well did that work out for the world?