How the King of Qin brought China's separate kingdoms together for the first time, became its First Emperor, and standardized writing, currency, and roads across the new empire.
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在很久以前的中国，土地被分成好几个国家，大家常常打来打去，谁也不服谁。
其中有一个国家叫秦国，国王很有雄心壮志。他花了很多年时间，一个一个地打败了其他所有的国家，第一次把中国统一成了一个大大的国家！
统一之后，他给自己起了一个新的称号——"始皇帝"，意思是"第一位皇帝"。
秦始皇发现，各个地方原本用的文字不一样，钱币也不一样，连马车轮子的宽度都不一样，做生意、送信都很麻烦。
于是，他下令：全国统一使用同一种文字，统一使用同一种钱币，连马车轮子的宽度也要一样宽。
这样一来，无论走到中国的哪个角落，写的字都能看懂，用的钱都能通用，做生意也方便多了！
秦始皇还把北方原本几段零散的城墙连接起来，加高加固，这就是后来万里长城最早的样子。
秦始皇统一中国讲的是秦始皇打败其他国家、统一中国，又统一了文字和钱币的故事。这个故事告诉我们，他是中国历史上第一位皇帝，他做的这些事情，深深地影响了之后几千年的中国。
A very long time ago in China, the land was divided into several separate kingdoms, and they often fought with one another, with no single ruler in charge of them all.
One of these kingdoms was called Qin, and its king had enormous ambition. Over many years, he defeated each of the other kingdoms, one by one, and for the first time in history, brought all of China together as a single, unified empire.
After unifying the land, he gave himself a brand-new title — "Shǐ Huángdì," meaning "First Emperor."
Qin Shi Huang noticed that different regions used different writing systems, different money, and even carts with wheels spaced differently — which made trading goods and sending messages very confusing.
So he made a rule: the whole empire would use the same writing system, the same currency, and carts with wheels of the same width.
Now, no matter where you traveled in China, you could read the same writing, use the same money, and trade goods much more easily.
Qin Shi Huang also connected and strengthened several separate defensive walls in the north into one long wall — the very beginning of what would later become the famous Great Wall of China.
Qin Shi Huang Unifies China tells the story of how China's very first emperor brought a divided land together and made rules that let people communicate and trade far more easily. His decisions shaped China for thousands of years afterward.
