Each solar site means large tax revenues from electricity and water sales for the countries in which they are built. Further large tax revenues from the numerous trades in the cities. Many new jobs, which also generate tax income. Furthermore, the creation of numerous new jobs means a low unemployment rate and thus an increase in the satisfaction of the citizens. The new sustainable, affordable housing, which can also be inhabited by the locals, increases satisfaction. Satisfied citizens means stability. With the increased tax revenues, good education and good medical care can be guaranteed for everyone, which additionally promotes satisfaction and stability. The construction and operation of the Sun Cities will be a significant factor of stability in today's mostly poorer and underdeveloped countries. It could be the factor that finally brings lasting peace to these often troubled areas!