What discoveries attracted settlers to the west in the late 1800's ?

In japan, the had nearly total power, but he was also assisted by

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.

4. any area in which one nation has power over another; i.e. - this happened to china when it was defeated by japan