Use the drop-down menu to complete the sentence. scholars know that ancient egyptians were advanced surgeons from their work a. aqueduct b. mummies c. pyramids d. sculptures me !

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.