What was one effect of the interstate highway act of 1957?
a. the emergence of the car as america’s main mode of transportation
b. the creation of speed limits as a result of increased highway accidents
c. the sluggish development of the airplane industry
d. an increase in the populations of midwestern and western cities
e. fewer jobs because the railroads lost business

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explanation:

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when a country suffers, for example, a drought period, the market product is affected for a low offer, in this case, potatoes; the government has to tax to the households, which have to give more money for the potatoes which they consume, that situation make them consume substitute goods even through loans, it could increase the financial market movement and the inflationary phenomena, the business has to increase salaries in order to the employees could buy a more expensive food (potatoes) and in order to inflation tha business had to buy expensive supplies in the factor market, while the rest of the world have to gain more money to consume the same amount of potatoes.