How much of an impact/difference would the Uzumaki Clan have made in the 4th Nin War?

[~Uzumaki~]

Sealing Edos easily.
Sealing Madara before he becomes Ten tails jin
Possibly sealing Ten tails or at least major portions of it
Sealing Gedo Mazo

 

[salamander uchiha]

Not much they weren't that special somebody wiped them out and the few cowards among them ran away.