Answer:
highly I don't understand this question
<span>First of all, in lines three and four, Kipling instructs the imperialists to "send their sons" to faraway lands. For the imperialists, then, colonisation requires the sacrifice of their men. </span>
The south approved slavery because slaves were useful to them on their cotton farms. However, after the invention of cotton gin many saw that they didn’t need to slaves to work for them on the cotton fields anymore as it was easier to own a machine which would do the work instead. They saw the slaves as pointless and impractical after the invention.