The poem "white man's burden" is most directly associated with the concept of

imperialism

Explanation:

the poem "White Man's Burden" was written by Rudyard Kipling, who was later called " a prophet of British imperialism by George Orwell: because he preached that imperialism was correct and necessary and that the "white man" was superior to the others.

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lincoln declared that slavery should not be allowed to spread into the new states, and of course this angered the south at the time.

b. parliament was weaker than the monarchy.