Drink.
If speaking purely on ethnic groups responsible in building the American railroad system -- the answers are: German, Irish, and Chinese.
The Railroad Industry.
Irish and Chinese immigrants provided a large portion of the workforce to build the Transcontinental Railroad.
They helped because of a food famin and needed more money.
Drink.
Irish immigrants worked on the union pacific railroad to help build west from Omaha Nebraska. The Union Pacific was in fierce competition with the central pacific railroad so the irish sometimes would sabotage the work of the central pacific.
about 10,000 Irish men died during the making of the transcontinental railroad. Some Irish people died because of the squads were dynamite squads and sometimes blew up.
It was hard but good
The Irish, Chinese, and African Americans comprised the workforce on the Transcontinental Railroad.
Chinese and Irish
yes
Irish
five trillion
because they loved sex
ChineseApex
If speaking purely on ethnic groups responsible in building the American railroad system -- the answers are: German, Irish, and Chinese.