This is a command economy because it is a king and a queen and they hold all the power. In a command economy the government has all the control. A weakness of that is that there is no room for growth. A strength is that everyone has jobs.
This shows a mixed economy because all those buildings can be different companies and they are all owned by a person but the government still has a say. A strength of a mixed economy is that it a private so you can make your own decisions. A weakness is that sometimes you don´t always get a say in a decisions.
This is a traditional economic system. This shows a traditional economic system because it usually involves farming. One strength is that it is environment friendly. One weakness is that if something runs out you can´t get it at all.