In the wealth of nations, adam smith argued that

The correct answer is people promote public interest through economic choices

"The Wealth of Nations" by Adam Smith was the first major milestone for the theoretical foundation in defending a market economy. At a time when the first industrial revolution in England was taking shape, Smith devised a series of new concepts and relationships that would completely change the way political economy was later analyzed. Among its main contributions, the relationship between labor specialization and productivity, the focus on the consumer rather than the accumulation of metals, and the efficiency generated by the selfishness of each producer and consumer (invisible hand), continue to this day. .

i think the answer is   b.

copernicus finished the first manuscript of his book, "de revolutionibus orbium coelestium" ("on the revolutions of the heavenly spheres") in 1532. in it, copernicus established that the planets orbited the sun rather than the earth. he laid out his model of the solar system and the path of the planets.