nsufnf nsufnf 26-01-2021 History contestada PLEASE HELP ASAP WILL MArK BRAINLIEST How did Oda Nobunaga become the first leader to help unify Japan? (4 points) He was a powerful daimyo and used the recent discovery of guns. He rose through military ranks and was a powerful daimyo. He rose through military ranks and used the recent discovery of guns. He used military techniques and the recent discovery of guns.