Again, as Nos said. The thing is the none of the K11 should have died during the war arc. The war arc should have been the cast final challenge that strengthen their resolve to go about their individual reforms. The problem is they are so underdeveloped and underutilized that it doesn't happen. So, the War arc is largely filler to pad out the manga's length.
Here is an obvious example of what should have happen with Neji. Hinata's and Neji's fathers fight it out. Hinata's father loses to his brother due to some reason. Neji and Hinata step in. Neji shows off moves that are only taught to the clan's heir. His father realizes that his brother is grooming his son to be the next clan head by marrying Hinata. After he is defeated and is being seal away. His brother, son and future daughter in law all show their resolve to reform the clan. Yes, it makes clear by this point Hinata should have moved on from Naruto. He thanks and forgives his brother, apologizes to Hinata, and gives some fatherly advice to Neji; all the while lamenting he won't be able to go to their wedding but he will be watching and always be with them.
Here is one for Sakura. She fights Naurto's grandmother, that as a joke looks exactly like a mature version of his sexy jutsu minus the whiskers marks. This leads into two jokes during the fight one, Sakura constantly thinking about how she will never let Naruto use that jutsu again because it will embarrass their...I mean his daughters and two, how there is no way she is Naruto's grandmother as that would make the Fourth his father and Naruto would have told her about something that big. Grandma Namikaze didn't approve of Minato and Kushina and hopes they didn't get together before she died young; when Sakura finally just asks if Minato knew any girl from the Uzumaki clan. Which annoys Sakura, causing her to fight harder to defend her man...wait not man; she meant friend, just friends. When she is defeated and being sealed away Naruto comes in, she instantly realizes that he is her grandson, and through some quick banter between him and Sakura realizes she is her future granddaughter in law even if Sakura won't admit it yet.