The Second Coming

When I was researching about the relationship between Things Fall Apart and The Second Coming, I looked at the history of Yeats writing to get a better understanding of the poem. It was interesting to know the in a previously published book called, The Voice, Yeats describes a theory about the Universe which he took many years to create. The theory is based on the "gyres" mentioned in The Second Coming. He used them to describe how the coming of the new era and the ending of the present coexist. This idea could be compared to the missionaries coming to Okonkwo's village and bringing in a new society's beliefs.