Which american document led to the freedom of over 4 million slaves in the united states

13) q: a: when world war i began, the official united states policy was

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

Who is the plaintiff in united states vs lopez