Referring to segregation as desolate help persuade listeners by hearing someone talk about how cruel segregation really is and making them see their bad actions (I don’t know if this is right I am sorry if it is not).
Paine says that it is irrational and absurd for such a huge amount of land with practically unlimited resources, to be dominated by such a small island. So basically he said that the argument lacks evidence and ethos
ABAB
this is because the first and third sentences rhyme and the second and fourth sentences rhyme