Building techniques improved, iron became more common, and hydraulics were used to dig riverbeds deeper. So less floods happened that destroyed farms and endangered lives.
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The answer is <span>B.She protested outside prisons until Congress changed the prisons and state asylums.</span>
Answer:
By Providing Fertile Soil
Answer From Gauth Math
The answer is c they learned how to grow food and survive from the american indians
