Describe the economic and political factors involved in building a network of roads canals and railroads

Why were inventors essential or necessary for an industrial revolution to happen in america

How did the united states obtained the purchase of floridia to extand its frontiers to the pacific ocean

Plz ! after the first battle of bull run general ivan mc dowell was removed from command of the union army he was replaced by a. general ulysses s. grant. b. general george mcclellan. c. general robert e lee. d. general george meade.