How did the egyptian workers cooperate to build to pyramids?

They are enslaved

At that time, building the pyramid was regarded as the most labor harsh architectural projects, considering the minimum technological development that exist at that time. Because of this, they obtained a lot of slaves from both Europe and Africa and force them as workers to build the pyramid.

classical republicanism, also known as civic humanism, is a form of republicanism  developed in the renaissance inspired by the governmental forms and writings of  classical  antiquity, especially such  classical  writers as aristotle, polybius, and cicero.

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