Answer:
A- Kublai Khan
Explanation:
The Emperor of Japan is the head of state and the head of the Imperial Family of Japan. Under the Constitution of Japan, he is defined as "the Symbol of the State and of the Unity of the People" and his title is derived from "the Will of the People, who are the Sovereign". Imperial Household Law governs the line of imperial succession. The Supreme Court does not have judicial power over him. He is also the Head of the Shinto religion. In Japanese, the Emperor is called Tennō , literally "God-Emperor".
1324:
In 1324, with the discovery of Emperor Go-Daigo's plans to overthrow the Kamakura shogunate, the Rokuhara Tandai disposed of his close associate Hino Suketomo in the Shōchū Incident.
1333:
He successfully overthrew the Kamakura shogunate in 1333 and established the short lived Kenmu Restoration to bring the Imperial House back into power.
1333:
In 1333, Emperor Go-Daigo escaped from Oki with the help of Nawa Nagatoshi and his family, raising an army at Senjo Mountain in Hōki Province (the modern town of Kotoura in Tōhaku District, Tottori Prefecture).
1339:
Emperor Go-Daigo died on September 19, 1339 in Ashikaga shogunate.
In 1266, the Mongol ruler Kublai Khan (1215–1294) paused in his campaign to subdue all of China, and sent a message to the Emperor of Japan, whom he addressed as "the ruler of a small country," and advised the Japanese sovereign to pay him tribute at once—or else. The Khan's emissaries returned from Japan without an answer
