Which country implemented the One-Child Policy?

And everyone wanted a boy and the girls was worth nothing and was killed or just put out in the woods or in a orphanage because a girl you need a dowry and they can't take care of you when you get old. Hence the big adoption spree from China.

Damwic , When there are only boys left, whom do they marry ( if they are heterosexual)?

Damwic , foreign adoption should be made illegal.

that's communism for you, total control, lives are more burden, than blessing.

but the one child policy has been cancelled

Not anymore. Now they confirmed 3 children policy