National strength is an important factor affecting international relations. National strength is the foundation for the survival and development of sovereign countries, the ability to defend their own interests and achieve national goals, and an important measure to measure a country's international status and role. To safeguard national interests, we must enhance the country's comprehensive national strength. Due to the existence of the old international order, a few countries pursue hegemonism and power politics, and the interests of weak countries cannot be guaranteed. Therefore, "weak countries have no diplomacy" has some truth. (4 points) ② From the perspective of international law, sovereign countries, big or small, strong or weak, are all equal members of the international community and enjoy equal rights in the international community. All member States have the obligation not to interfere in other countries' internal affairs and diplomacy, and the interests of weak countries should also be respected and protected. (2 points) (3) As long as the current international community establishes a new international order based on the Five Principles of Peace, the interests of weak countries can be effectively guaranteed, so that "weak countries will also have diplomacy." (2 points) ④ To sum up, the view that "weak countries have no diplomacy" in the title is one-sided. (2 points)