How can we know that the Great Pyramids weren´t built by slaves but by paid workers?

Question

How can we know that the Great Pyramids weren´t built by slaves but by paid workers?

In: Other

Answer 1

Total compensation package. In exchange for work, they were housed, fed, medically treated, and provided a small stipend for incidentals. On occasion they were provided impromptu deep tissue massages to stimulate work. And granted worry free retirement to optimize work efficiency.