Part 1 of Essay
The first immigrants to the territory now the United States were from Western Europe. The first great migration began early in the 19th century when large numbers of Europeans left their homelands to escape the economic hardships resulting from the transformation of industry by the factory system and the simultaneous shift ....

Part 2 of Essay
.... from 1890 to 1910, fewer than one-third of the immigrants came from these areas. The majority of the immigrants were natives of Southern and Eastern Europe, with immigrants from Austria, Hungary, Italy, and Russia constituting more than half of the total. Until World War I, immigration had generally increased in volume every year. From 1905 to 1914 an average of more than a million immigrants entered the U.S. every year. With the start of the war, the volume declined sharply, and the annual average from 1915 to 1 ....