Which of the following statements about the “American System” is correct?

(A) It was set up by the Treaty of Ghent at the end of the War of 1812.
(B) It was strongly promoted by Andrew Jackson.
(C) It permitted immigrants to be naturalized after living in the United States for five years.
(D) It was designed to meet the nation’s need for economic progress and self-sufficiency.
(E) It called for an end to the European presence in South America.

(D) It was designed to meet the nation’s need for economic progress and self-sufficiency.