Why did John Tyler become president

How did the industrial revolution give an advantage to industrialized european nations over non-industriallized nations?

Read this list: a. it was established by president barack obama. b. it makes it easier for all americans to access health care. c. it was part of the great society. d. it was part of the new deal. e. it provided a guaranteed income to poor americans. which options are characteristics of the affordable care act?

Who was the top of the feudal system hierarchy