I actually think nordic countries do 2. and 3. quite well, and their crime rate has risen significantly due to the large number of migrants. The baseline number

I actually think nordic countries do 2. and 3. quite well, and their crime rate has risen significantly due to the large number of migrants. The baseline number of violent antisocial people in a society also does vary - but avoiding the creation of these people is different that dealing with the ones who already exist.