Evolution is synonymous with progress, and for good reason too. In order to push your species forward, you have to be at least as good as your ancestors. Fail to adapt to changing times and you will perish. Many living things have opted for collaboration to ensure their survival. From ants to apes to us humans, leveraging brains and muscle in groups yields great results.
Of the illustrious minds of the 1800s, none saw this more clearly than Charles Robert Darwin, the greatest contributor to the theory of evolution.