Aperson who worked to get rid of slavery in 19th century america

Abolitionists were the group which opposed slavery in the nineteenth century. The abolitionist movement called for the immediate end to the institution.

The poem seems to imply that Western powers had an obligation to bring technology and Western civilization to other parts of the world. This idea is stated in the phrase "to serve your captives' need." Kipling believes this work is thankless and that the subjects may even hate or place blame on the colonial power.

Explanation:

b.   jim crow laws were enacted in northern states.