21stcentury abuse adolescence armedconflict ausgrenzung bangladesh bangladeshis biological chemicalwarfare childcare children children'srights children'sstudies childrenandwar childrenofminorities childsoldiers childwelfare conflictresolution congresses crime criminology culturalassimilation defence earlychildhoodeducation education educationalstrategies elderabuse emigration ethnicity ethnicminorities europe families family familyrelationships general governmentpolicy greatbritain groupidentity history historyofeducation hv9069 immigration internationalsecurity intimacy(psychology) jugend juveniledelinquents juveniledetentionhomes juvenileoffenders kinderen kindergarten lawsofspecificjurisdictions lifestages migration military moral multiculturalstudies nurseryschools overheidsbeleid peace penology philosophy pol037000pol012000pol034000 policy politicalfreedom politicalscience poorchildren poverty pre-school psychologicalaspects psychology publicpolicy punishment rehabilitation relationships researchmethods:general schule security socialconditions socialpurposeofeducation socialscience socialsecurity socialservices socialtheory socialwelfare socialwork society sociology:family sozialesituation studentexpulsion teenagers terrorism theoryofeducation transnationalism unemployment unitedkingdom unitedstates violenceinsociety warfare welfare welzijn youth