Immigration

The pace of immigration accelerated in the 1840s and 1850s, as people from Europe sought land, freedom, opportunity, and jobs in the United States. 

A second wave of Irish Catholic immigration began in the 1840s following the potato famine in Ireland.

Between 1820 and World War I, many German political refugees came to America following a series of German revolutions.

Nativism was an anti-immigration movement that favored those descended from the inhabitants of the original thirteen colonies.

Many of the economic gains in the United States during the nineteenth century were made possible by immigrant labor.