Supplies?In order to add a salad bar to a school lunch menu for students with restricted diets, new materials or supplies such as a refrigerator or a bar, would be needed.
A serf is an agricultural laborer bound to the land of the nobility they work for (part of feudalism). It has been used throughout many civilizations up until about the 20th century.
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With the Industrial Revolution came inventions that promoted economic ... People had the freedom and means to travel greater distances than ever before. It meant the right to do the things you wanted.
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