What did china do to prevent other countries from creating their own silk?
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Which answer best explains the overall impact of the chicken on native american populations in the new world? negative; it destroyed much needed grain crops neutral; it was not well adopted by native americans insignificant; other animals were more quickly accepted positive; it brought a good source of protein to the native american diet

How did the late 19th century public schools change?

What are the two powers that the federal and state governments share?