8TH GRADE HISTORY, PLEASE HELPPP

Difference between president and vice president

How did the technology of the late 1800s affect the growth of cities? select one: a. cities were able to expand outward because of additions to railroads. b. electric streetcars enabled the wealthy city dwellers to move to the first suburbs. c. advances in steel and metal technology allowed for the development of the skyscraper, which allowed cities to grow upwards. d. all of these are correct.

At the beginning of the war, why was hitler allowed to continue his aggression without resistance from other european countries