Which were results of the construction of transcontinental railroad?

choose all answers that are correct.

a. the railroad led to the creation of uniform time zones in order to make scheduling trains easier.

b. the railroad cut travel time between the east and west coasts of the united states by many weeks.

c. the railroad made the plains indians wealthy because they owned the land it crossed.

d. the railroad allowed the great plains to become the most densely populated region of the country.

Write about three symbols that you find in the story and what each symbol means. the meaning should be on the topic of knowledge vs. ignorance, the relationship of knowledge to freedom, and both the good and bad associated with gaining knowledge. use this example as a model for your "the prisoner who is set free and leaves the cave represents a person who gains knowledge, and his experiences show both the positive and negative effects of learning something new." write about what you think plato is trying to tell us about knowledge vs. ignorance and the relationship of knowledge to freedom in this story. be sure to include what he says about the cost (the pain).