GRE Reading Comprehension: ETS-GRE阅读ETS - N5SH4FZ4PSA469F97

According to the author, changes in the conditions of international trade resulted in an A. underestimation of the amount of new land that was being famed in the United States B. underutilization of relatively small but rich plots of land C. overexpansion of the world transportation network for shipping agricultural products D. extension of agrarian depressions beyond national boundaries E. emphasis on the importance of market forces in determining the prices of agricultural products