Refers to regional differences that existed within the nation during the 1800's a. nationalism b. sectionalism c. a strike d. tenement

The development of humans was directly dependent ondevelopment of a language.development of communication between people.e development of tools.litdevelopment of the wheel.

What was herbert hoover and the food administration do in wwi?

Who were the “rough riders”? a. cuban revolutionaries who battled the spanish for independence b. a volunteer cavalry unit in the spanish-american war c. spanish generals in cuba who mistreated the civilian population d. newspaper owners who influenced public opinion by exaggerating the truth