To an extent Rousseau believed the person had to be the strongest in the right way
It was because more money was being spent buy businesses and these businesses were either close to or in the cities.
Answer:
It's possible but extremely unlikely to Revive an extinct animal but It is possible to create an organism similar to whatever extinct animal that is in question using its dna or the dna of its relatives. If scientists did revive extinct populations it could have an extremely detrimental effect on humans and our environment.
Interacting groups shared skills and ideas that improved farming practices