Hello!
This is a very deep and important question.
The idea of a world without wars, or 'peace in the world', is something humanity has aspired to throughout its history. There are different opinions on this matter.
On one hand, many believe that a complete renunciation of wars is possible. Proponents of this idea argue that wars are not an inevitable part of human nature, but rather a consequence of certain social, economic, and political conditions. For example, competition for resources, territorial disputes, ideological disagreements, or simply a thirst for power. If these causes are eliminated, a more just and peaceful society can be built. Successful examples of diplomacy, international cooperation, the work of international organizations like the UN, and disarmament initiatives show that humanity is capable of resolving conflicts peacefully.