Before the enactment of the environmental protection laws of the 1970s, which of the following was the generally accepted approach in the United States to business's responsibility?

1. As long as business responded to the market and obeyed the law, it met its environmental responsibilities.
2. Laws established minimum standards to ensure air and water quality and species preservation.
3. Only individuals who could prove that they had been harmed by pollution could raise legal challenges to air and water pollution.
4. None of the answers are correct.