What was one callenge workers faced while building the railroad?

As they built the railroad, the Union Pacific workers faced many struggles with the Native Americans. Bloody battles resulted from the railroad's appearance in these peoples lands. The Native Americans felt threatened by the "white man and his iron horse". However, they fought through and continued to build.

Explanation:

    racial conflict and discrimination has existed ever since man learned to kill with rocks and bones. these conflicts arose from disputes between territory, power, wealth, religion, or simple difference. some of the most infamous racial disputes include slavery, the holocaust, and the civil rights movement.

    these listed disputes often resulted in casualties from all sides. riots, wars, imprisonment, and lynching are all commonly associated with racial conflict on severe levels.

      however, racism is an improving issue in recent decades. people are being more accepting and welcoming of diverse populations. though, the world isn't perfect and it will take much more time, if ever, until the world is rid of racism.