Help please I added the image. ( right answer gets thing and the points)

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.

Describe some effects of the rise of communism in the soviet union?

Which phrase best fits in the blank box? wasted government money gave citizens government money encouraged people to vote supported government investigations