He was a kind man who believed in equality of all people, men and woman alike regardless of color
Labor unions at the time were formed mainly because people lived and worked in extremely bad conditions during the industrial revolution. For that reasons, labor unions wanted for the workers to work in better conditions and wanted to fight for their rights.
Besides connecting the eastern united states with the western united states, the transcontinental railroad was also instrumental in bringing in immigrants from ireland and china.
hope this helps, God bless!