The invention of the cotton gin is most closely associated with

Which statement best explains how the invention of corporations contributed to the economy in the 1800's

Which of these innovations led to increased production in american factories in the early 1800s? a. the use of interchangeable parts b. the construction of canals c. the invention of the mechanical reaper d. the availability of electricity

1.     in what kind of government does a small group have a firm control over a country?