In His Famous Poem "The White Man's Burden," Rudyard Kipling

In his famous poem "The White Man's Burden," Rudyard Kipling expressed the idea that whites

A) greatly suffered from the cruelty of African native tribes when they were captured.
B) were never really recompensed for the loss of their colonies after the end of colonialism.
C) were more susceptible to native African diseases and therefore experienced greater mortality.
D) carried the economic cost of infrastructure development in their former colonies.
E) had a moral responsibility to lift Africans from a state of lower societal development.