Historians have shown that "parents in the Middle Ages worried about their kids no less than we worry about ours today," and by the nineteenth century there is evidence of bars being placed on windows to protect toddlers from falling out as well as "leading strings so that young children wouldn't wander off during walks.
Alfie Kohn, The Myth of the Spoiled Child: Coddled Kids, Helicopter Parents, and Other Phony Crises
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