Market Economy is the economy that is the most commonly used in the United States such as grocery stores and restraunts
Command economy is a Economy completely runned by the government Countries who have one is North Korea, and Cuba
Traditional is a non timed pasted economy system that mainly the American Amish use
The correct answer for the given question above would be the third option. The Song Dynasty as compared to the Tang Dynasty is that, the Song Dynasty was smaller than the Tang Dynasty, but lasted for a slightly longer period of time. The Song Dynasty didn't expand much, whereas, the Tang Dynasty expanded to modern borders. Hope this answer helps.
Answer:
They would want to move to a new country because of the enviorment, or because they need to be closer to something. There are many other reaosns.
