| 1900's |
| 1900s: In western countries, population growth ceased to be a problem. It was still a problem for some nations though. 1900s: American Henry Ford started making automobile models. They reached the speed of 25 miles per hour. He began using the assembly line to mass-produce cars. This helped make the United States a leader in the automobile industry. 1900: Standard of living of the working class improved. 1900: American industry led the world in production. 1900: The working conditions had begun to improve in many industrialized nations. 1900: In Britain, more than 30 percent of the population was workers. |
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