The correct option is A.
Adam Smith was a great philosopher and a key member of Scottish enlightenment. He believed in free market economy and is known as the modern father of capitalism. Capitalism is an economic and political system, in which the means of production are based on private ownership.
The circumference of that circle is about 27.02.
If a country is isolated, it will have to produce everything that it needs: especially food clothes and medicine. It won't be able to specialize, but it will have to focus on satisfying the needs of the people.
If it is not isolated, it can specialize in the things that it can produce the best and fastest, and hope to exchange it for the things that it can't produce.
<span>plates slip or grind in the pass each other</span>
