In general the common argument is "This development paved the way for the use of nuclear energy". There are of course cons to nuclear power as well, but these are known.
Social structures in society can work to provide an ordering of society from things as diverse as institutions like courts and police forces to schools etc. However, depending on the rigidity of social structures certain groups can also be oppressed or left out of the governing decisions within a society.
A.greek theater had a circular or semicircular stage calledan orchestra