Which of the Following Statements Is True?​

Which of the following statements is true?​

A) Increased international trade has resulted in increased competition in the U.S. economy.
B) Greater monopolization of industries in the U.S. economy has increased competition.
C) U.S. producers responded to trade disadvantages in the eighteenth century by exiting the industry.
D) Increase in imports accounted for one-fifth of the increase in competition.
E) Two-fifths of the growth in competition between 1958 and 2000 occurred due to deregulation.