The Sekigahara Campaign was one of the most decisive battles in history, A fight between eastern and western Japan, not only did it determine the fate of the declining Toyotomi, but it also determined the future of the country. Who do you think was the cause of the defeat of the western army at Sekigahara? Was it Mitsunari's arrogance and disrespect of his generals? The betrayal of the two most major clans of the era? Or was it just Tokugawa Ieyasu's prowess alone?