Every country has its own rules. The culture of one country is the same. One culture is hard to find in another country. And the power of different countries is the same. Some people have a lot of oil, more powerful than others, and somebody's atomic power. Many countries misuse their power to harm other countries. Which is not desirable either. Every leader or leader of every country should be ideal. Then there will be peace in the world.. yesterday trump and kin jom together nuclear anergy agreement, as a result Peace will prevail.