There were few towns along the route of the railroads. Why was this a challenge? The railroads could not hire local workers.
Equipment, rails, food, and even water had to be shipped long distances.
The workers had no place to spend their wages.

i need the answer too man

answer: the ocean

explanation: if you map out 30 n and 40 n latitude, you will get the ocean

honestly i love the walking dead, mainly the quotes. “well, pardon me young man, excuse the [insert bad word here] out of my gosh darn french, but did you just threaten me? ” sksk (of course it's not the exact words)