How did the influx of african-americans change northern cities?

Which statement can be inferred from the popularity of american baseball, blue jeans, and hip-hop music in japan? o a. american sports, entertainment, and clothing have been copied from japan. o b. many japanese companies sell products in the united states today. o c. the diffusion of american culture has influenced japanese culture. o d. advertisers in japan have started to appeal to older japanese traditions.

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 happened 10 million years ago? if u answer, u get 50 ! plz answer ; -;