Which of the following innovations had the greatest impact on standards of living in urban areas? A. skyscrapers
B. electric streetlights
C. electric cable cars
D. steam engines

What led to violence in kansas in 1854? a.) northerners and southerners disagreed over the results of the slavery vote. b.) people in kansas wrote the fugitive slave law. c.) people voted for kansas to be a free state. d.) nebraska was split into kansas and nebraska

N1947, the united nations create a country

What explains the political difference among african americans politicians during reconstruction