In the west, the completion of the transcontinental railroad greatly benefited what industry

Iwant to be an engineer but cant do math for the life of me, but i also want to be a cop. "what should i do"

What states were considered a part of the antebellum south?

It can be inferred that the dramatic increase in defense spending by germany was the result of. (a) attempts by great britain to take german colonies. ( b) fear of a two-front war against france and russia (c) the need to put down a communist rebellion (d) a competition with the allies to produce atomic weapons