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
The history of Europe covers the peoples inhabiting Europe from prehistory to the present. The period known as classical antiquity began with the emergence of the city-states of ancient Greece. Later, the Roman Empire came to dominate the entire Mediterranean basin. The fall of the Roman Empire in AD 476 traditionally marks the start of the Middle Ages.
Please develop your question more