Regarding 1), the documentary "One Child Nation" (currently included with Amazon Prime) goes into China's history with their one child policy in detail - from people who lived through it.
It is fascinating how they went from "One Child" to their current policy without admitting any mistake at all.
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As for India, not only have they had problems with forced sterilization, they've also had problems with parents wanting a son at any cost: https://www.theguardian.com/global-development/2021/dec/27/f...