Because during that time railroad company's would monopolies on farmers and the act required them to have a reasonable and just cost to use railroads. Hope this helps.
this is what I got from Google-
When the U.S. Supreme Court ruled in the Dred Scott decision that the Missouri Compromise's prohibition of slavery in territories was unconstitutional, an increasingly diverse body of opponents of slavery rallied around the Republican Party.
The consequences of the Black Death were numerous and varied. Countless workers died, ravaging families through failed means of survival and causing personal affliction; landowners who used laborers as tenant farmers were also impacted. It is estimated to have abolished 30 percent to 60 percent of the European population.
<span>General Ford,became VP after Spiro Agnew resigned (this includes the bribery scandal!!!) and became president after Watergate scandal forced Nixon in August 1974, he pardoned Nixon and pushed a very forceful conservative domestic policy, but was way more than a caretaker president when the respect for government was at an all-time low, thus being said, Spiro Agnew was only the beginning but it was the election of General Ford, and the pardon of Richard Nixon that really set America on edge! Hope this was helpful, have a great day!</span>