40 gold! History: In addition to the Qin and Han dynasties , which two other ancient histories were

Sui and Tang Emperor Wen of Sui and Emperor Yang of Sui unified the north and south.

Sui and Tang dynasties and Ming and Qing dynasties.

Before the unification of the Qin Dynasty, each region of China had its own monetary system. After Qin Shi Huang unified China, he began to implement a unified monetary system, which was an important event in the history of the Qin Dynasty. The following is the historical process of the unification of the currency of the Qin Dynasty:

Unified Monetary Standards: Qin Shi Huang unified monetary standards, using copper as the main material, and unified the shape, size, weight and inscription of copper coins, which made copper coins from different regions can be used in common with each other.

Casting standard chain: The Qin Dynasty established a series of strict standards for minting coins, including the shape, size, weight, and lettering of coins. The process of minting coins has also been improved, and the quality of the copper coins has been guaranteed through standardized production.

Increase the number of coins minted: In order to meet financial needs, the Qin Dynasty greatly increased the number of copper coins minted. According to historical records, the number of copper coins in the Qin Dynasty far exceeded that of the previous dynasties combined. These copper coins are not only used for fiscal revenue and expenditure, but are also widely used for trading and people's livelihood activities.

Promote universal access: With the mass minting and use of copper coins, the monetary system of the Qin Dynasty began to be universally adopted throughout the country. This made transactions more convenient and efficient, and also laid the foundation for a unified national economy.

Minting the Penetrating Five Baht: The Qin Dynasty minted a coin called the "Penetrating Five Baht", which was the first weight-based system currency in Chinese history. The five baht was minted according to the standard of the five-baht scale, hence the name, and its appearance marked an important change in China's monetary system.

In short, the historical process of the Qin Dynasty's unification of good currency includes the monetary standard system.

1. Important changes such as the standardization of minting, the increase in the number of coins, the implementation of universal circulation and the minting of five baht have laid the foundation for the development and evolution of China's monetary system.

Yan and Qi used knife coins, while Han, Zhao, and Wei used cloth coins, Chu used Yingjiao and ant-nose coins, and Qin used round square-hole coins. During the Warring States Period, the princes and the people could also make money privately, which led to economic chaos, and after the unification of Qin, it was stipulated that the people were not allowed to mint coins privately, and the coins of the six countries were abolished and round square hole coins were used.

Qin Shi Huang's contribution.

Book with the same text - During the Spring and Autumn Period and the Warring States Period, each vassal state had its own policy and used different scripts. To this end, Qin Shi Huang ordered Prime Minister Li Si to sort out these texts.

Carriages on the same track - During the Spring and Autumn Period and the Warring States Period, the roads between the vassal states were of different widths and sizes. After the reunification of the country, this phenomenon seriously affected the transportation exchanges between various localities and restricted economic development. Qin Shi Huang ordered the construction of three Chi roads with Xianyang as the center, one to the east, one to the south, and one to the north, which is equivalent to the current national highway.

Unified weights and measures - During the Spring and Autumn Period and the Warring States Period, the weights and measures of various countries were of different sizes, which was easy to cause confusion. Qin Shi Huang implemented a unified posture rock weights and measures, in addition to the same text in the book and the same track in the car, but also implemented a unified coin, length unit, volume unit, weight unit.

The currency of this period is divided into four types in terms of shape and distribution: cloth coins, knife coins, yuan coins and ant nose coins.

1. Cloth coin is an ancient Chinese currency, because of its shape like a shovel, also known as shovel cloth, appeared in the early Spring and Autumn Period, until the late Warring States period minted and circulated shovel-shaped currency. According to the shape of the cloth coin, it can be divided into two categories: empty cloth and flat cloth;

2. The knife coin is the tool of the Shang and Zhou dynasties, Qingyu grinding orange copper cutting, so the handle end of the knife coin has a ring, there is a crack on the handle, and there is a vertical needle head knife, a sharp head knife, a round head knife, an arc back knife, etc., there are many types, there are Qi knife, Jimo knife, Anyang knife, needle head knife, sharp head knife, round head knife and Ming knife, etc. It is cast with words;

3. Yuan money, also known as yuan gold and ring money, is a kind of ancient Chinese copper coin. It was mainly circulated in the Qin and Wei states during the Warring States period. Circularity, ** has a round hole.

There are two main types of yuan: one is the round hole, which is relatively primitive; The second is a circular square hole. The front of the coin has an inscription, while the reverse side has no text;

4. Ant nose money Ant nose money is the currency circulating in Chu in the Jianghuai River Basin, which is converted from imitation shellfish. The shape of the ant-nose coin is oval, with a protruding front and a flat back, shaped like a shell but small in size.

In the process of unifying China, the Qin Dynasty implemented a unified monetary system. This currency is called"Money", which is made of copper. Prior to the pre-nuclear program, the forms of money used in various parts of China varied, which made ** and economic activity very complicated.

The unified monetary system of the Qin Dynasty allowed for smoother economic activities and also contributed to the unification of the country's rule. In addition, the Qin Dynasty also implemented a unified system of weights and measures, which unified the heavy hand calls and units of measurement used in production. This is of great significance for promoting ** and economic development.

In general, the implementation of the unified currency and weights and measures system in the Qin Dynasty laid a solid foundation for China's economic and cultural development, and also had a profound impact on the later history of Hui Tudu.

C Question Analysis: In 221 BC, the Qin Dynasty was established and the capital was Xianyang. After Qin Shi Huang unified the six countries, he unified writing, currency, weights and measures, and realized the unification of politics, economy, ideology and culture.

In terms of currency, Qin Shi Huang stipulated the uniform use of round square and empty copper coins throughout the country. Combined with the diagram, only C fits the topic. A, B, and D were the currencies of the six countries before the unification of Qin.

Comments: The difficulty of this question is low, and this question is combined with the form of ** to intuitively reflect the uniform use of Qin's round square hole copper coins, which tests students' ability to recognize and remember the basic knowledge of the text and the ability to distinguish **.