【单选题】Which of the following is o ne of the fundamental source s of long-run economic growth ? a. An expansion of foreign GDP b. An increase in demand for the country’s importable product c. An i mprovement...
【单选题】The rapid accumulation of capital and worker skills in the United States in the 1800’s: a. resulted in an increase in the export of natural resources by the country. b. made the United States more dep...