For religious leaders a happy society would be a just society where basic trust and equality of opportunity and diginity exist for each individual.
The ways that the larger society operates always influences individuals. Americans now are also converting to new faiths in unprecedented numbers.
They,the neighbors,and the nation provide the words,definitions, cultural norms,comparisons,and framing beliefs that affect our emotional happiness. Happiness is a human universal and universally recognized.
Even small animals and insects like bees and ants possess some kind of social instinct.
They have a great sense of responsibility and work together in tandem.