A futuristic novel tells the story of the United States after a nuclear disaster people live separately and underground bunkers where they cannot contact those in different bunkers civilizations survives for many generations but each isolated group develops differently while some people are still able to find a degree of happiness others suffer under crew dictators of live in terrible condition without any awareness of the other survivors each group has to make do with that and putting it in abilities and those who suffer I have no idea that life could be better which is the best explanation of how the setting helps reveal the sameThe tightknit community show the importance of family and kinship relationshipsThe desolate living situation shows the potential outcome of warThe scenario in which people are isolated shows how essential communication is for humans societyThe comparison between different cultures so the resilience of the human spirit whatever the circumstances