There are not much conflicts in England after the civil war,and England is a isolated island country where people are general conversational.Long peace after civil war makes people there gentle and serious.It is hard for writers to create works with big sense of conflict under this ciucumstance,even so ,people will no long like it.During Bernard Shaw and Beckett's period,though conflicts were strong,they were mainly between people and world(beyond nation and country),people and people themselves(the world reflected that individuals were not worth menntioning which destroyed people's confidence and self-esteen) instead of people and people.there were other reasons:It was not a good time for them bo be borned, not only because there were other entertainments styles which seized audiences'attention,but also because there were aesthetic fatigue after the loss of beauty,Anxiety and fickleness' existance in the postmodern society and lack of heart to appreciate drama.