Who or what did massanet believe would protect the mission

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.

According to douglass, what does the singing of a slave communicate? how does douglass feel about slave songs? in what way is slaves singing misinterpreted by some people? .

What was the focus of the stanford study-pls