Answer:
They divided the states into different time zones.
Explanation:
As trains left to go to locations, it would be later or earlier depending on which direction they went, so take for example a train going from New York to Seattle. It would probably be a couple ahead of New York.
Answer:
Explanation:
Because Americans felt they were a better society and people than other groups of people (Mexicans/Native Americans) already living out West and somehow that justified them taking over the West. The Mexican government grew frustrated with them moving their illegally.
