https://www.google.com/search?q=china&safe=strict&espv=2&biw=1920&bih=925&source=lnms&tbm=isch&sa=X&ved=0ahUKEwjxt42At5fQAhUG82MKHWFkCoEQ_AUICCgD#imgrc=xa3cQBT2KtUmzM%3A

https://www.google.com/search?q=india&safe=strict&espv=2&biw=1920&bih=925&source=lnms&tbm=isch&sa=X&ved=0ahUKEwjTyY-Rt5fQAhUBxGMKHR_QCc8Q_AUICCgD#imgrc=Kj7UVuqxf_5qJM%3A

https://en.wikipedia.org/wiki/One-child_policy

https://www.google.com/search?q=overpopulation&espv=2&biw=1920&bih=974&site=webhp&source=lnms&tbm=isch&sa=X&sqi=2&pjf=1&ved=0ahUKEwiW0dXm3JrQAhUE9WMKHWHGDiYQ_AUIBygC#tbm=isch&q=population+control&imgrc=l2P0UIW7UlG12M%3A

https://www.google.com/search?q=overpopulation+in+india&espv=2&biw=1920&bih=974&source=lnms&tbm=isch&sa=X&sqi=2&pjf=1&ved=0ahUKEwi6nv6W3ZrQAhUUV2MKHVUxBdoQ_AUIBigB#imgrc=gDdVeeBuX9tr-M%3A