The U.S. imposed high tariffs in the early nineteenth century in retaliation for British tariffs imposed on American goods

Which of the following four-firm concentration ratios would be the best indication of a perfectly competitive industry?

A) 2 percent B) 31 percent C) 78 percent D) 100 percent E) 50 percent

As part of the nation's recovery from the Great Depression of the 1930s, the banking system was reformed in which of the following ways?

(A) The banking system was taken off the gold standard. (B) The government paid off loans for large corporations. (C) Banks were deregulated by the government. (D) The Federal Reserve Banks were closed.