Everyone in Sengoku Era Japan had access and knowledge of guns and cannons. The key for Nobunaga is "Ashigaru". Nobunaga gave the guns to the peasants. That al

Everyone in Sengoku Era Japan had access and knowledge of guns and cannons. The key for Nobunaga is "Ashigaru". Nobunaga gave the guns to the peasants. That also means that Nobunaga mass produced the guns to a level that no one else was doing. Yes it was a technological brawl, but inadvertently it was one that worked with and uplifted the Ashigaru into a real combat force.