The Hidden Leaf Village and The Hidden Cloud had been at war for years and a diplomat was sent into the Leaf for a peace treaty between the 2. It was in reality however a cover up for them to kidnap Hinata in order to steal her Byakugan and he was subsequently killed by Hinata's father Hiashi Hyuga. When The Hidden Cloud was confronted about the kidnapping they denied all accusations and demanded the body of Hiashi Hyuga in turn for their dead diplomat. In order for the treaty to be realized and end the bloodshed, the Hidden Leaf swallowed their pride and the body of Hiashi's younger twin brother Hizashi was given and the treaty realized, because of his curse seal and because he wanted to do it for his brother. Konoha had no evidence that Kumo's head ninja had orders for the attempted kidn