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String theory posits that the fundamental particles of the universe are one-dimensional "strings" rather than zero-dimensional points. The study of these strings and their interactions leads to an understanding of the fundamental forces that govern our universe. The subcategory of Fundamental Forces under String Theory, therefore, explores the underlying mechanisms behind electromagnetism, gravity, the strong nuclear force, and the weak nuclear force. Here, physicists investigate how these forces arise from the dynamics of strings in a multi-dimensional space-time, shedding light on their unification and providing insights into the fundamental structure of our universe.