Which of the following is true?
A. The completion of the transcontinental railroad system in the 1880s eventually made the United States the world's first mass market.
B. Southern manufacturers were hurt by the high protective tariffs of the 19th century that kept out cheaper British manufactured goods.
C. Agricultural inventions such as John Deere's steel plows greatly improved farm productivity.
D. All of the choices are true.
D. All of the choices are true.
You might also like to view...
A movie at the movie theater is an example of a good that is
a. both non-rival and non-excludable b. both rival and excludable c. rival but non-excludable d. non-rival but excludable e. rival but whose consumption creates negative externalities
When the average total cost curves for firms are unaffected by the entry of other firms,
a. it is an increasing-cost industry b. it is a decreasing-cost industry c. the market's equilibrium price will eventually be restored after the market demand increases d. firms will charge a higher price when demand rises e. the long-run supply curve is positively sloped