Long ago, many people moved to cities. 

Long ago, life changed for many people. 

As people moved, families changed too. Many family members lived in different places. 
Cities grew very large and crowded. This made it easy for sickness to spread. Life became very different for everyone. It was a big change for the world.
Industrialisation is a big change for a group of people. It moves them from farm life to factory life. 
In the mid-1800s, new tools changed how things were made. People used steam engines and electricity. They also used assembly lines to make goods. 
These changes moved people from small villages to big cities. This is called urbanisation. 
Today, some places use new, clean technology to grow. This helps protect the earth. But industrialisation also uses fossil fuels. This can cause more CO2 to go into the air. 
Industrialisation is a major change for a society. It turns a group of people from farmers into factory workers. 
This change happens in several big steps. First, machines replace manual work in places like farms. 

History shows us how this started a long time ago. The first Industrial Revolution began in Great Britain. This happened from the mid-18th to the early 19th century. It soon spread to Belgium, Germany, France, and Switzerland. It also reached North America. By 1850, over 50 percent of people in Britain lived in cities. 
Many different places have seen these changes. In Chile, Charles Saint Lambert built copper furnaces by 1840. By the 1870s, Chile had sugar refineries and textile factories. In East Asia, the Four Asian Tigers grew very fast. These include Hong Kong, Singapore, South Korea, and Taiwan. They grew between the early 1960s and 1990. 
Industrialisation changes how families and cities look. Many people move from villages to crowded cities. This is called urbanisation. 

Industrialisation is a period of deep social and economic change. It transforms a human group from an agrarian society into an industrial one. An agrarian society is one where most people work in agriculture or farming. An industrial society focuses on manufacturing goods in large quantities. This process involves an extensive reorganisation of an entire economy. The main goal is to move from manual labor to machine-based production. 
The mechanism of industrialisation relies on the mechanisation of economic sectors. In the past, tasks in agriculture or textiles were done by hand. Industrialisation replaces these manual methods with machines. This shift often requires the use of factories, refineries, and mines. These facilities process raw materials into finished products. This process is often supported by heavy use of fossil fuels. As workers earn higher incomes, they buy more consumer goods. This increased spending creates a cycle that stimulates further industrial investment and economic growth. 
History identifies two distinct stages of this process. The First Industrial Revolution began in Great Britain during the mid-18th century. It spread to countries like Belgium, Switzerland, Germany, and France. This stage was defined by technological progress and a shift from rural work to industrial labour. By 1850, over 50 percent of the British population lived and worked in cities.
The Second Industrial Revolution occurred later, starting in the mid-19th century. This phase was driven by new inventions like the steam engine and the internal combustion engine. It also involved harnessing electricity and building railways and electric-power lines. The invention of the assembly line helped boost production even more. During this time, steelworks and textile factories replaced the home as the primary place of work. 
Industrialisation causes massive changes in how people live, a process called urbanisation. As people move from villages to cities for factory jobs, towns grow much larger. This concentration of people can lead to difficult social consequences. Overcrowded housing and poor sanitation can cause diseases like cholera, typhoid, and tuberculosis to spread. 
Different regions have experienced industrialisation at different times. In Chile, Charles Saint Lambert established modern copper smelting furnaces by 1840. By the 1870s, Chile saw the rise of sugar refineries and textile factories. In East Asia, the "Four Asian Tigers" experienced very rapid growth. These include Hong Kong, Singapore, South Korea, and Taiwan. They underwent intense industrialisation between the early 1960s and 1990. 
Modern industrialisation faces new challenges and different goals. Historically, industrial growth has been linked to rising CO2 emissions. 
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