Three ways the railroad helped create modern America are: it made travel easier, stimulated commerce in the economy and increased trade.
Generally speaking, all of the following are benefits of trade except "<span>lower taxes," since taxes are set by domestic governments, and are not taken into consideration during trade unless they are in the form of a tariff. </span>
<span>The population of the farm in the united states changes between 1950 and today because it dropped from 20 million to fewer than 5 million people. The answer is letter C. Life in the farm is hard, their workload is very high but their rate of return of investment is very low. It did not help with the technology that we have nowadays, machines that can replace certain works that they have and so few of them remains.</span>
They were appointed by the King of England
