The needs of industrial revolution in the 19th century europe greatly contributed to

Prior to the Industrial Revolution, which began in Britain in the late 1700s, manufacturing was often done in people's homes, using hand tools or basic machines. Industrialization marked a shift to powered, special-purpose machinery, factories and mass production.

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byzantine empire is the answer i think you are looking for.

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the us constitution is a living document, meaning that it can be changed over time as the country changes.