It falls apart due to isolation and lack of trust in fellow members of society. Robert D. Putnam talks about it in his book "Bowling Alone", the more different

It falls apart due to isolation and lack of trust in fellow members of society. Robert D. Putnam talks about it in his book "Bowling Alone", the more different cultures come into a neighborhood the less trusting the neighborhood becomes and the less people go out and socialize and build relationships.