C) studying william harvey's theory of the circulatory system hope this helps!
An urban area that controls neighboring farmland but is not under the control of any empire or another government is called as the city-state. The city-state is like a small country that governs small city or cities and is not being managed by another government.
I'm pretty sure it was the Spanish conquering South America, and exploiting its resources. Hope this helps.
Answer:
I think you mean the Spanish, not South American lol.
It's sierras
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