1. The …………………. Began in England in the 18th century. Lots of factories opened with new machines. 2. …………………….. in the 1850s were difficult. They were unhealthy and wages were low. 3. James Watt invented the …………….. in the 1760s. Then engineers used it to …………………. In factories. 4. The ……………….. grew quickly in the 19th century because steamboats and trains needed coal to make them. 5. The things factories produced gave people a better ………….. 6. Before the 18th century, people didn’t work with machines. They worked ……………………………….. . 7. In 1850, many people lived in cities in poor, ………………….

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