"Socioeconomic Changes" Social Changes in the Spring and Autumn and Warring States Periods PPT Courseware 2

Description

"Socioeconomic Changes" Social Changes in the Spring and Autumn and Warring States Periods PPT Courseware 2

1. Improvement of production technology

1. The emergence and promotion of iron farm tools and ox farming

① Iron farm tools

② Ox farming

Reading Thoughts:

Approximately when did iron tools begin to be manufactured and used in China? What is the basis for this?

Think about it: How did people till the land before the invention of oxen? When did cattle farming first appear?

What is the relationship between the emergence of iron farm tools and the use of oxen for plowing?

2. The role and impact of the promotion of iron farm tools and cattle farming

Direct effect: Promoting the development of agricultural production

Far-reaching impact: Significant progress in productivity has promoted great social changes

2. Construction of water conservancy projects

1. What are the famous water conservancy projects during the Warring States Period? What is the most famous water conservancy project? Who presided over the construction? What is its important role?

Dujiangyan and Zhengguo Canal in Qin State and Shaopi in Chu State were all famous water conservancy projects during the Warring States Period. The most famous one is Dujiangyan, which was built under the leadership of Li Bing, the prefect of Shu County in the Qin Dynasty.

Dujiangyan is composed of three parts: the water dike, Baopingkou and Feishayan. The outer river is a normal flow and can discharge floods and is navigable; the inner river is used for irrigation, and the water flows into the Chengdu Plain through Baopingkou. When the water in the inner river is too strong, the water overflows the Feisha Weir and flows into the outer river. Dujiangyan can irrigate 3 million acres of farmland.

3. Prosperity of cities and commerce

During the Spring and Autumn Period and the Warring States Period, the population increased significantly, the scale of cities expanded, and commerce prospered. It was the first prosperous period of urban and commercial development in China's history.

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For more information about the "Social Changes in the Spring and Autumn and Warring States Periods and Social and Economic Changes" PPT courseware, please click on the "Social Changes in the Spring and Autumn and Warring States Periods ppt Social and Economic Changes" ppt tag.

"Socioeconomic Changes" Social Changes in the Spring and Autumn Period and the Warring States Period PPT courseware:

"Socioeconomic Changes" Social Changes in the Spring and Autumn and Warring States Periods PPT Courseware New Lesson Introduction The 512 Wenchuan Earthquake caused huge damage to Sichuan and other places, but the Dujiangyan Irrigation Project in the Chengdu Plain with a history of more than 2,000 years was basically intact. The world-famous Dujiangyan...

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Update Time: 2024-11-20

This template belongs to History courseware Yuelu Edition Seventh Grade History Volume 1 industry PPT template

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