Which accurately describes how natural features and geography shaped the wealth of the Ghana Empire?

Explain how nationalism led to independence in nigeria.

What was the social class pyramid during the civil war?

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?