Which of the following actions illustrated the usage of the Monroe
Doctrine in the second half of the 19th century?
(A) Matthew Perry opening up trade relations with Japan
(B) The United States dominating sugar production in Hawaii
(C) Polk citing the doctrine as justifi cation for Manifest Destiny
(D) John Hay’s insistence on the Open Door Policy
(E) The United States’ arbitration in the Venezuelan boundary dispute
with Britain