【Manytheoriesregardingthecausesofjuveniledelinquency（crimescommittedbyyoungpeople）focuseitherontheindividualoronsocietyasthemajorcontributinginfluence．Theories（51）___ontheindividualsuggestthatchildren（52）___】
Many theories regarding the causes of juvenile delinquency （crimes committed by young people） focus either on the individual or on society as the major contributing influence．Theories（51）___on the individual suggest that children（52）___criminal behavior before they were not sufficiently（53）___for previous misbehaviors or that they have learned criminal behavior through interaction with others．Theories focusing on the role of society suggest that children commit crimes in（54）___to their failure to rise above their socioeconomic status or as a rejection of middle-class values．
Most theories of juvenile delinquency have focused on children from（55）___families，（56）___the fact that children from wealthy homes also commit crimes．The latter may commit crimes for lack of adequate control from parents．All（57）___，however，are uncertain or unimproved and are of course challenged with criticism．
Changes in the social structure may indirectly（58）___juvenile crime rates．For example，changes in the economy that（59）___to fewer job opportunities for youth and rising unemployment（60）___make gainful employment increasingly difficult to obtain．This results in（61）___among youths and may in（62）___lead more youths into criminal behavior．
Families have also experienced（63）___these years．More families consist of one parent households or two working parents； （64）___children are likely to have less supervision at home than was common in the traditional family（65）___．This lack of parental supervision is thought to be an influence on juvenile crime rates．Other noticeable（66）___of offensive acts include（67）___experience or failure in school，the（68）___availability of drugs and alcohol，and the growing phenomenon of child abuse and child neglect．All these conditions tend to increase the（69）___of a child committing a criminal act，（70）___a direct cause and effect relationship has not yet been established．
51．A．centering