The world is divided into capitalist countries and socialist countries. Major capitalist nations are the US, European nations and Korea, And major two socialist nations are Russia and China. These days, particulraly, due to the Russia-Ukraine war, the standoff between capitalist and socialist nations is escalating now. In particular, China is advocating a neo-socialism. Among socialist nations, I think that Singapore remains a prosperous socialist state. On the other hand, Europe and the US are focusing on a neo-captalism which is paving the way for a digital revolution. Owing to covid, people all over the world are realizing the importance of their nations' leaders and that their nations could collpase, if their leader become corrupt. In Korea, a full-fledged democracy is becoming reality now. People in Korea have changed their government every ten years to date which can help the government not to become stagnant.