Answer:When many of us were young, we were taught that the great pyramids required immense human resources to build, which of course, they did. We were told that as many as 100,000 slaves worked as forced labor for decades to build the Great Pyramid at Giza. Regrettably, it would seem that our teachers needed something to say about this ancient Egyptian civilization, and as is not unusual, memorizing some sort of data outweighed the importance of having correct information. Hence, we committed to memory the fantastic estimates of ancient historians who were mystified by the large volumes of material required to build these great stone edifices. However, we must give them credit, for at least they did not degrade the accomplishments of the early Egyptians by proposing the builders of these great structures to be space aliens or Atlantians.
A money economy begin to replace the barter economy in the high middle ages because : B. as trade expanded to cover greater distances, a unit of exchange became more important
