While Mesopotamia and Egypt were two primitive societies, one thing that helped them were their interaction. These interactions help the societies develop faster and thrive. If these primitive societies had more interaction with neighbors, they could copy/imitate technological advances and or culture. Also, there would be more competition and war. Finally, societies with only one or two resources could trade for a bigger variety of resources.
Answer:
The plague, also the black death caused a drastic fall in the total population of the inhabitants of Europe.
Explanation:
The competition and congestion that was being experienced eased. Labour became a scarse resource out of the sudden reduction, there were plenty of jobs, with good pay, compared to the previous competition out of the large population of peasants.
There was a lot of land and therefore no congestion, land became cheaper and consequently led to high mobility.
I think it was Joseph Adonis
Because of the earths rotation around the sun.