Background: Ghengis Khan was born around the year 1162, and was named Temujin at birth. Temujin was ruthless at a young age as he murdered his older half-brother and became the head of his family. He went on to murder all oh his adversaries and rivals, and in 1206 he accepted the title of Ghengis Khan which meant "universal ruler" of all the Mongol clans. Khan died in the year 1227 from illness, but his empire expanded even further after his death.
Achievements and Legacy: Genghis Khan united all of the Mongolian clans, and led the mongols to creating the largest unified land empire in history. He is remembered as one of the most ruthless rulers of all time.
Political and Economic Involvement: He was the ruler of the Mongolian empire and believed in striking fear in the hearts of his enemies. He created law and stability in his military and allowed for safe passage for different travelers and missionaries.
Influences Socially and Culturally: Ghengis Khan's rule of much of the world at the time created a period of unity of peace known as Pax Mongolica. This led to a spread of ideas and innovations across the world, like gunpowder from China getting transported to Europe.
Geography: In less than a fifty year time period the Mongol empire expanded from as far as China all the way into Poland. The Mongol empire went down in history as the largest unified land expire in history.