Which president represents the real turning point in the history of the american national government and the beginning of modern presidential power? a. john f. kennedy b. harry s truman c. franklin roosevelt d. theodore roosevelt?

Which options most accurately assess the impact of transportation improvements (e.g., railroads, canals, steamboats, transcontinental railroad) on the settlement of the west? ***(select all that apply.)*** a. they led to an increase in population density. b. they made it easier to travel long distances. c. they in establishing towns. d. they led to the development of the fur trade. e. they allowed for international travel.