after two decades of a baby boom,china made it a practice in the early 1970s.1.baby boom 2.made it a practice 3.in the early

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• after two decades of a baby boom,china made it a practice in the early 1970s.1.baby boom 2.made it a practice 3.in the early
• after two decades of a baby boom,china made it a practice in the early 1970s.
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