Explain what adam smith meant by the invisible hand of the marketplace

Adam Smith's invisible hand of the marketplace meant  laissez-faire economic philosophy,which argues that government intervention in the marketplace is unnecessary.Instead,changes in demand for resources automatically result in price adjustments without the need for regulation.

congress also has implied powers, which derive from the necessary and proper clause of the constitution and permit congress "to make all laws which shall be necessary and proper for carrying into execution the foregoing powers, and all other powers vested by this constitution in the government of the united states.