All of the following helped establish adolescence as a distinct life stage in the United States except:

Stricter youth labor laws, mandatory schooling until age 16, and the juvenile-justice system placed young people in a category distinct from both children and adults. An increase in puberty rites was not one of the developments that established adolescence as a separate life stage in the United States. The correct choice is “an increase in the number of puberty rites performed.”

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