differences between fort frederica and fort king george

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?

Which legal case forced the university of maryland to admit an african american student to its law school?

Who was the macedonian conqueror of greece and builder of an empire?