The fight of clans.

As Uchiha, hyuga, and senju united they got mand clans under their control but that was the starts of another war. One ultimate clan, Nouzen clan

Madara go grabs his brother from the ruined he shoots. Many bodies of Uchiha shinobi, also Hyuga and Senju was on ground the ground was like blood pool.

Hashirama: Tobirama takes injured shinobi back.

Tobirama: we should retreat.