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The most important result of the development of interchangeable parts in the early 19th century was that it allowed

SAT · US History · previous-year question

  1. A.printers to make newspapers more easily.
  2. B.farmers to harvest crops more easily.
  3. C.manufacturers to make their assembly lines more efficient.
  4. D.children to have safer toys.
  5. E.coopers to cut staves in their barrels more precisely.

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