Which of the Following Is an Effect of the Domestic

Which of the following is an effect of the domestic sugar program of the United States on many of the less-developed countries that export sugar?

A) Export earnings and national incomes have increased.
B) The decrease in the supply of sugar to world markets from less-developed countries has increased world prices.
C) There has been an increase in the production of sugar in the United States and a loss of sales by less-developed countries to the United States.
D) There has been improved efficiency in the allocation of agricultural resources.