Characters who contributed the most in the war?

[Slug Princess Tsunade]

for those who says sakura,what did she do in war,take one zetsu off? xd

And she saved countless lives with that move

 

[The Great Narumaki]

Itachi without a doubt as well as naruto himself.

 

[swagking]

Naruto, Itachi, Bee, Kakashi, Guy, Shikaku, Inoichi, Ao, Gaara, Onoki all made major contributions to the war.