What are the events leading up to and surrounding the building of the Panama Canal in a timeline showing twelve relevant things that occurred in relation to its construction

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 was in charge of american troops during world war i?

What happened 10 million years ago? if u answer, u get 50 ! plz answer ; -;