1. the Transcontinental Railroad was the negative effect for the Native Americans because it destroyed their land and homes the building of the Transcontinental Railroad was a negative effect because the build the railroad that also means that the Buffalo that was everywhere has to be killed off this affected the Native Americans in a negative way because he Native Americans use buffalo for many things
2 .it took a heavy toll on the environment the massive amount of wood needed to build the railroad including railroad ties support beams for tunnels and bridges and shares Necessities cutting down thousands the trees which devastated Western Forest
3.it increased racial conflicts the completion of the Transcontinental Railroad led to hiding racial tensions in California as white workers from the east coast and Europe could more easily travel West Ward where immigrant laborers stayed