1/2 or 50% of the European immigrants were what? French Italian Syrian Japanese​

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.

During the cold war, the united states was involved in certain regional conflicts due to fears later called the domino theory, which stated which concept?

Brainliestttme : ) what economic changes occurred after world war ii? ( economic boom, baby boom, g. i. bill of rights)