What is not a direct result of rapid industrial expansion in china?
the one-child policy
widespread pollution
more economic opportunities
the enterprise law

The answer would be : the one-child policy

The one-child policy is the law to control rapid population in China, not rapid industrial Expansion.Enacted around 1978, The policy stated that the families who owned more than 1 child in his household would receive some punishments from the government which make a lot of families in China kill their own baby to avoid the punishment