What was common between the early civilisations of india china mesopotamia and egypt?

Which of the following was an effect of the black death? people developed greater religious tolerance as they united in prayer. peasants migrated into large cities seeking medical care. there were large increases in wages and prices throughout europe. doctors trying to stop the epidemic made rapid advances in medicine.

How did the location of islamic lands make cultural diffusion possible

Group formed to protect artisans and increase their profits