The decision of the us supreme court in plessy vs. ferguson

Throughout united states history, new groups of people have been given voting rights. this usually occurs through

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?

Including place names directions and distances describe a route harriet tubman was likely to have followed from her slave home near bucktown to philadelphia