In respect to the first question, it can be said that around 8000 BC to 7000 BC is the time period where evidence of cultural sharing in Neolithic China began.
<span>One big impact of the sharing on the individual societies was the positive impact on the ways of animal domestication and also agriculture.</span>
Farmers sowed and harvested crops around flooding season, because the flooding gave them fertile soil.
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Explanation:
the Black Death was a bionic plague outbreak that took the lives of 75 to 200 million people probably women and children in men and it also spread through North Africa in Eurasia which probably took the lives of more people the people who were infected with the biotic plague was mostly women and men guarded in 1346 to 1353 and it was the most recorded pandemic in human history and it also peaked in Europe from 1347 until 1351 the bionic plagued definitely change the world especially since after that the world's population experience a catastrophic reduction and would not be replenished for more than 100 years I hope that I answered your question .