Zhao Zheng, King of Qin, unified China, since the Qin state was located to the north-west he could buy loads of horses from the nomads on the Mongolian Steppes, these horses allowed him to conquer the other Kingdoms. After uniting China (or at least a part of it) he took the title Qin Shi Huangdi, meaning "First Emperor of Qin".
He simply conquered the other warring states and unified them.
I believe it was Kublai Khan who is recognised within Chinese history as well as the Yuan dynasty which he founded, it is interesting to note it was the first time china as a country owned Tibet, and subsequently Tibet is now part of modern day China. The peoples of china and Mongolia have been linked for millenia.
he unified china. he built the Great Wall of China
It was named after the Emporer Qin Shi Huang who unified what is now China.
Qin She Huangdi unified China, began the construction of the Great Wall, repaired the war damage, and extended the canal system.
It was China's first great unified empire.
China was not unified until Qin Shih Huang Di unified around 221 BC through Legalism and ending the Warring States Period.
Qin Shihuangdi was the first emperor of China that unified Chinese government & culutre. He executed hundreds of enemies, and his building project of the Great Wall killed thousands of his own people. Clearly, the Emperor of Qin was both a strong leader and a cruel one.
Qin Shi Huang was the founder of the Qin dynasty and was the first emperor of a unified China which happened in 221 BC. From this point China existed as a sovereign nation.
Qin Dynasty became a unified country in 221 BCE.
Qin hurt China in many ways like killing millions of people, burning most if not all Confuciaisms books and writing. While emperor Qin did many harsh things he also did many great things for China. He built the Great Wall of China and unified China.