In the united states, what are the two things that determine the earnings of workers?

price and availability

location and costs

supply and demand

form and function

C. Supply and demand

Explanation:

Supply and demand is where if the consumers want more of something, the companies will make more of whatever is needed. Wages are in the long run, affected by supply and demand. If there is a very high need for something, than the workers will be working more and will receive a higher paycheck, and vice versa.

in the 1800s, locomotives powered by steam made transportation faster and cheaper. the resulting rapid growth of railroads led to the connection of the atlantic and pacific railroad in oklahoma city in 1897.

in the last years of the century, the improvement of steam-based engines the expansion and growth of railroads. this growth increased when the companies started to build and expand, such as the atlantic and pacific railroad, which connected new mexico with california, and missouri with oklahoma. many of these new networks were built in oklahoma, and these changes transportation henceforward.