I believe that your answer is America.
Thesaurus to find synonyms and antonyms
Answer:
to effectively convey his topic/purpose
Explanation:
in couching his appeal to the audience as an appeal to duty,
B.) In his poem, “The White Man's Burden,” Rudyard Kipling never actually defines the white man's burden. ... The white man's burden is to work hard to help people (“To seek another's profit,/And work another's gain) who do not want to be helped. The white man's burden, then, is the set of problems that comes with imperialism.