How did china's early civilization differ from other river valley civilizations?

Chen's research team randomly assigned some newborns and their mothers either to a breastfeeding promotion group (where breastfeeding was encouraged, but not required) or to a normal pediatric care group (where breastfeeding was neither encouraged nor discouraged). which research method did they use?

What conflict ended the false doctrine of "states rights"

Each of the letters on the map above marks a body of water in southeast asia. which two letters represent gulfs