During the 1900s, especially between 1900-1915, it is estimated that about 15 million immigrants arrived the united states.
One of the historical sites that served in accepting immigrants in the early 1900s was Ellis Island.
This station was responsible for the inflow of a lot of immigrants until 1960 when It was closed.
People came into the US because they felt that this was the land of opportunity.
One of the changes brought about by the immigration into the United states was an increase in work force. This also led to the formation of many labour unions.
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