I think it’s both ice cores and tree rings
Answer:
city-states
Explanation:
The final major factor that contributed to the Renaissance was the rise of city-states in Italy. At a time when most of Europe was rural, agricultural, and manorial, Italy was much more urban and commercial.
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The Chinese created things called "Terraces" which were flat areas to help them raise their crops.
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That is definitely false!
I hope this helps!