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

Well it is a little of column A, a little of column B.

lots of brute labor (either slaves, conscripts, serfs) to move the blocks into place.
and then paid highly skilled labor to do the finishing work.