How did technology impact the culture of the early 20th century with the inventions of radio, photography, and electric guitars

What areas were the focus of disagreement between the united states and the soviet union?

How did the completion of the transcontinental railroad change the lives of american citizens? a-it increased the wealth of all americans and enabled them to travel more.b-it made cross-country travel too expensive for ordinary americans.c-it decreased the safety of americans who moved to settle the plains.d-it shortened travel time between the east and west for all americans.

Which word most closely describes the type of government in edward bellamy’s looking backward