Do an author's credentials automatically mean he or she is a trustworthy and believable expert?

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.

Which best describes the impact of the crusades on european exploration?

Was president roosevelt justified in ordering executive order 9066, which resulted in the internment of japanese american citizens? write a clear claim that responds to this writing prompt.