短文部分

　　Questions 16 to 19 are based on the talk in class about United States history.

　　16.

　　A) Jefferson's view about commercialized agriculture.

　　B) International trade in the nineteenth century.

　　C) Improvements in farm machinery in the United States.

　　D) Farmers' loss of independence.

　　17.

　　A) Crop production became increasingly.

　　B) Economic depressions lowered the prices of farm products.

　　C) New banking laws made it easy to buy farmland.

　　D) The United States increased its agricultural imports.

　　18.

　　A) Prices for farm products rose.

　　B) Farmers became more dependent on loans from banks.

　　C) Jefferson established government programs to assist farmers.

　　D) Farmers relied less on foreign markets.

　　19.

　　A) They provided evidence that Jefferson's ideal could be achieved.

　　B) They made farmers less dependent on local bankers.

　　C) They affected the prices that farmers could receive for their crops.

　　D) They decreased the power of the railroads to control farm prices.

　　Questions 20 to 22 are based on the passage you've just heard.