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The preamble of the Constitution is the part through which the US constitution establishes that the government derives its power from the people. It also introduces the six motives of the government in serving the people.
The fundamental purposes and guiding principles are briefly stated in the preamble. The preamble of the US Constitution does not serve as the power provider to the fundamental government neither it put some specific limitations on the government's action. Due to the limited or restricted nature and due to this no court has ever use it as a conclusive factor.
A product is commodity when it is fungible. Commodities are raw materials like corn, wheat, copper, crude oil, etc.
Since Adam Smith was an ecologist I would go with #1.
Government should interfere as little as possible in the economy.
