Which of the following doubled the size of the United States in 1803? A. the Civil War
B. the Louisiana Purchase
C. the American Revolution
D. the Mexican-American War

The physical feature that makes up part of the border between canada and the united states is the

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 do you call places that belong to united states but arent states