Answer:
The correct answer is option D. "Genghis Khan".
Step-by-step explanation:
Genghis Khan was a vicious leader that in 1206 accomplished the union of the Mongol tribes of northern Central Asia for the first time. His real name was Temujin but the was known as Genghis Khan "rightful ruler", and his companions known him as "ruler of all men". Genghis Khan conquered much of Muslim Asia, establishing an empire that included regions of most of modern-day Russia, China, Korea, southeast Asia, Persia, India, the Middle East and eastern Europe.