Base your answer on the speakers' statements below:

Speaker A: "What made the United States great was opportunity, not government regulations."

Speaker B: "Factory owners in the Ohio River Valley have a responsibility to residents in Canada and New York."

Speaker C: "There must be a balance between the creation of jobs and the protection of the environment."

Speaker D: "If the Environmental Protection Agency had existed in the 1800s, we would still be waiting for someone to build a transcontinental railroad."

Which speakers would most likely support the idea of laissez-faire?

1. A and B
2. B and C
3. C and D
4. A and D