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. .

it is based on the same philosophy as health insurance

japan is located on a chain of islands called an archipelago. it is made up of four main islands and thousands of smaller ones. the terrain is mountainous, which means there is not a lot of good land for farming. because of the geography, the japanese relied on the sea for many aspects of daily life.