The north’s control of railroads gave it an advantage during the civil war because it could use trains to form blockades. move more men and supplies. export more cotton to europe. enlist railroad workers in the military. answer is b

When there are advances in technology, such as the personal computer, how might business productivity change? a) productivity is separate from technological advances so there is no impact. the new technology can replace outdated, less efficient, machinery. o) the businesses' products will no longer be demanded. d) manufactured items will be made elsewhere.