I'm not 100% sure but it could be: Voluntary Exchange takes place between buyers and sellers:
(btw I copied and pasted from the question so I didn't take any content :D)
Desert was positive because it had sandstone which was used for architecture and it was negative because it was always hot and barely any life
Please mark this as brainliest
jew..........................
The government would provide all farm-workers with jobs. A classes society would come after a brief proletariat dictatorship .
