How did northerners respond to the fugitive slave act?
a. some northern states challenged it in the supreme court.
b. some northern states enacted the wilmot proviso
c. some northern states enacted legislation opposing it.
d. some northern states supported it.

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.