Which idea did adam smith promote in wealth of the nations

the correct answer is the Invisible hand

what was the invisible hand?

The invisible hand is an economic concept that describes the unintended greater social benefits and public good brought about by individuals acting in their own self-interests. The concept was first introduced by Adam Smith in The Theory of Moral Sentiments, written in 1759.

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to reform the distraught soviet union, the democratization of the communist party was promoted through party secretary mikhail gorbachev's policies of “perestroika” and “glasnost.” perestroika refers to the reconstruction of the political and economic system established by the communist party.

sorry its a lil late, but the answer is d. the rotation 180° about z'