After the Battle of the Valley of the End.
Some of the contracts Iwagakure had originally signed with Konoha, each spanning more than a decade, expired, and they began recalling large numbers of shinobi to the village.
After that, Iwagakure began establishing its own "Ninja Academy" and "Anbu."
Then the shinobi villages of the four great nations, along with other smaller villages, began following suit.
However, unlike Konoha, these villages did not involve themselves in their nations' military industries or armed forces, because the daimyo of the four great nations had not permitted it.
Even though the four great shinobi villages eagerly imitated Konoha Shinobi Village, they could only keep chasing after it, never surpassing it.
After more than a decade of reform, everything in Konoha was already running smoothly, and it was still developing at a rapid pace. The key was that the Daimyo's Palace did not obstruct its policies, and all of Konoha stood united. None of the other four great shinobi villages could match that.
Hashirama Senju had fully retired to rest and recuperate. Given his special status, it was no longer appropriate for him to visit casinos, so he stayed home and played dice with his granddaughter.
Hashirama and Mito had sheltered Tsunade well. Tsunade had always believed that her uncle Kima was her biological father.
Hashirama Senju knew his time was drawing near. After the snow and ice melted the following year, he went alone to the mausoleum to meet Madara Uchiha.
Even though Madara was responsible for his current condition, Hashirama Senju still wanted to bury the hatchet with his former best friend.
Although he could not understand Madara Uchiha's obsession, Hashirama Senju decided to be understanding of his difficulties. Before he died, he hoped they could get along peacefully.
Madara Uchiha did not