Los Angeles is the most dense for sure.
San Francisco and Oakland are no too far behind.
1. I believe the answer is monroe railroad.
Due to high budgets needed for the construction of the railroads, they tend to stop operations every a couple of years.
After thatThe name of the railroad keep changing depending how the company who most funding want to name it (it chaged from monroe to Macon and Western, to Georgia Railroad and Banking company)
2. I believe the answer is <span>Union blockaded the ports
After the union blockage, almost all the majort transportation that relied on boat became suddenly unusable.
Becaus of this , many companies started to use railroads as their main distribution system.</span>
I will advice Him/Her to go to s help me please support group to get help