Which accurately describes a reason the united states went to war with mexico in 1846? a. the sentiment that texans were being abused under mexican rule b. the desire for new land and faith in the concept of manifest destiny c. the fear that mexicans would take factory jobs from white americans d. the belief that mexico's slave-based agriculture could ruin american farmers

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.