Why did the founders think the legislative branch was the most important

What would lead a historian to consider two events to have a relationship of correlation rather than causation

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.

What impact did entry into ww1 have on life in the us?