The film, Schindler's List reminds us that segregation in any ghetto is life threatening. The answer is that we must Face the Fear, and Do It Anyway i.e. include everyone. This will be uncomfortable - even terrifying for a few moments, but fears pass. When we face our fears, and proceed regardless, they immediately diminish and come into perspective. In interviewing people about that period, there is an overwhelming pattern.
Every single person remembers being terrified.
It usually takes about six weeks which is the general pattern for any crisis situation to get back to normal. There are lessons to be learned. Inclusion is about change. Change is terrifying - for all of us. Change upsets us.