Inventions of the agricultural revolution in the united states included:

the cotton gin
the threshing machine
the flying shuttle
the iron and steel plow

Which of these was an accomplishment of the han dynasty? the invention of the seismograph finding a water passage to europe the invention of the ballpoint pen the invention of the abacus

Which of the following statements is true of cause and effect relationships

1. what potential advantages could companies like standard oil offer consumers?