Answer: He rose through military ranks and used the recent discovery of guns.
Explanation:Oda Nobunaga was a Japanese daimyō and one of the leading figures of the Sengoku period. He is regarded as the first "Great Unifier" of Japan. Nobunaga was head of the powerful Oda clan, and launched a war against other daimyo's to unify Japan in the 1560s
To have as much government control and regulation to remain in power and make big decisions as a whole.
Answer: The emperor did many things to unite China. Including building The Great Wall, standardizing currency and weight measures and building roads from and to many places inside the country. That being acknowledged, there are only two answers that represent those deeds.
Explanation: