The root of the problem is the denigration of society due to socialism, the welfare state, multiculturalism, mass immigration, lack of community or culture, desocialization, feminism, lack of mothers and male role models, the parents are much of  the problem.
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The solution is move to the village system, raise all children communally, remove the parents for the equation; this will eliminate all crime, homelessness, poverty, violence and drug addiction.