§ 411. Purpose of article. The purpose of this article is to put into effect those measures most suitable to supplement and aid in coordinating the work of existing religious and social institutions for the prevention of delinquency and youth crime, and the advancement of the moral, physical, mental and social well-being of the youth of this state, and to encourage the municipalities of this state to undertake increased activities in this field by assistance and financial aid as provided in this article.