Primarily Irish immigrants from the east cost of the US, and Chinese immigrants from the west. There were other ethnic groups who worked on the railroads, but these were the largest groups.
It helped trade and businesses in the Middle Colonies.
Both the Irish and the Chinese immigrants helped to build the railroads in America.
The Irish immigrants to the United States received aid from two places. One was from the Catholic churches, as most of the new Irish were Catholic and from the Democrat Party who saw the new immigrants as a possible voting block for the politics in New York City.
special intrest groups are groups in the government
special intrest groups are groups in the government
Immigrants helped invent many useful items in America.
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They helped fuel prejudice against German immigrants.
Yes there were Irish immigrants that helped to build railroads.
In 1864, the U.S. Congress passed a contract labor law. This law gave special support to companies that helped immigrants come to the United States for work. It brought a brief wave of new immigrants and new workers to American Factories. It was eventually repealed.