What is unification of forces?

Unification of forces refers to the theoretical framework in physics that seeks to combine the four fundamental forces of nature—gravity, electromagnetism, the weak nuclear force, and the strong nuclear force—into a single cohesive theory. This concept aims to simplify our understanding of the universe by demonstrating how these forces are interconnected at high energy levels or within certain conditions. Efforts like string theory and grand unified theories (GUTs) are examples of attempts to achieve this unification, which could provide deeper insights into the laws governing the cosmos.