Indead they are.
Senju and Uchiha Found Konoha.
Then other clans joined konoha
Selection of the Kage.
Back in the future, Uchiha had as much right as the Senju had to the Throne but the senju instead of giving the Tittle to their Co-op Heir to the Throne, decided to give it to anyone else and never gave a chances to the Uchiha instead a greedy corrupted senju konoha goverment. Like Political Parties.
Were the Blue party (senju), dint wanted the Red party (uchiha) on the Throne.
if konoha would had really wanted to make peace with the Uchiha or Talk about it, they would have done it.
-Uchiha coulndt leave the village even when they created the village with the senjus, if they leave, konoha would have fear their ally, the enemy.
-Konoha has the right to anihilate their allies to keep the power instead of sharing their power and avoiding unnesessary bloodshell.
-Konoha dint wanted to pass the Tittle ''Hokage'' to the uchiha and make peace..
-Harishama senju got peace with their ancestrous brothers 'the uchiha' and live in peace but Konoha decided to kill them and start the Circle of hate that bound them for generations.

Uchiha Sasuke will ''Pay the iron prices and take what is his by right''
Obito ''Bullshit, u let ring die.. thats the worst excuse some uchiha might have ever.