Anyone know the answer to these I’m stuck

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.

Use the drop-down menu to complete the sentence. rome’s first civil war began as the result of conflict between

Which were lenin’s actions before and during the russian revolution