The ____ is a machine that converts thermal energy into mechanical energy. ____ were places that were built for poor people to work. the steam engine was used in ____ and factories. The economy of a country is partly about how much ____ a country has. people could make a lot more things in ____ compared to small workshops. steam engines were used in trains and ____. The ____ is the king and queen of a country. The ____ are the rich people of a country. The ____ were the poor people of a country. The bourgeoisie were the rich ____ owners. The ____ was a way people could communicate from far away.

Industrial revolution

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