In Civil Disobedience what does Henry David Thoreau say has caused trade and commerce to flourish under the American governmental system?

Henry David Thoreau in "Civil Disobedience" suggests that the absence of a strong centralized government contributes to the success of trade and commerce in the American system by allowing individuals and businesses more freedom to engage in economic activities without excessive regulation and interference. He argues that the government's minimal involvement in economic affairs has created an environment where trade and commerce can thrive.