What trade practice gives preferential treatment and can displace competitive

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 roles does climate change and natural resources play in global politics?

American reaction to the 9/11 tragedy can be characterized as patriotism. a. true b. false