Before the third exam began, Tobirama first had to give the customary speech. As Hokage of Konoha Ninja Village, he thanked the other shinobi villages for attending the Chunin Ninja Exams, then recounted the suffering caused by the last Shinobi World War and the Five Kage's reflections on it, explaining how these had led to the establishment of the exams.
He said all this because he needed to stress repeatedly that the purpose of the Chunin Ninja Exams was to preserve peace and order, and nothing else. Whether the candidates listened or not, that purpose had to be clearly explained so that no one could misunderstand it.
People from other countries knew that, although Konoha Ninja Village possessed military strength that placed it at the top of the Five Great Shinobi Villages, it did not bully the weak as other villages did. It had always upheld the First Hokage's ideals. Admittedly, this was partly because its home, the Land of Fire, was rich in resources and did not share other countries' troubles, giving it the means to refrain from attacking them. Still, its enduring desire for peace was worthy of respect.
Of the other villages, Kumogakure Ninja Village and Iwagakure Ninja Village could understand Konoha Ninja Village's persistence, whereas Sunagakure Ninja Village and Kirigakure Ninja Village struggled to accept it. After all, one belonged to a desert nation and the other to an island nation. Their small territories and limited resources made these pressing matters of survival.
Following Kazemori Masaki's advice, the Land of Fire had begun trading with both countries, allowing their economies to grow considerably and their daimyo and local nobles to indulge themselves freely. Yet their shinobi villages received little financial support. Though their livelihoods were secure, shinobi were weapons of war, and this left them without