The description of the 1900s shows us that achieving perfection of societies is impossible. Progress in science and technology was no enough to improve the lives of poor people. Besides, there were wars, impoverishment and lots of diseases that caused lots of casualties.
Dystopian literature insists on identifying the flaws of the political systems and magnifies them. Dystopian authors encourage their readers to examine contemporary political and social structures but writers always relate to these issues as something bad or horrifying.
He uses a technique called enjambment. It is when you don't end your thought within a single line, but transfer it to the next line of the poem, which is evident here.
