One way in which the travels of marco polo and
the voyages of zheng he are similar is that both
(1) established colonial territories
(2) stimulated trade
(3) encouraged mass migrations
(4) led to discoveries in africa

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

Why did river valleys most farming impact the lives of neolithic peoples?

4. any area in which one nation has power over another; i.e. - this happened to china when it was defeated by japan