The graph shows US immigration by decade. A bar graph titled U S Immigration by Decade, 1820 to 1920 is shown. The x axis shows decades, from 1820's to 1900's. The y axis shows Number of immigrants in millions, from 0 to 9. 1820's, .2; 1830's, .5; 1840's, 1.3; 1850's, 2.8; 1860's, 2; 1870's, 2.7; 1880's, 5.2; 1890's, 3.7; 1900's, 8.1.

As the United States experienced rapid industrial growth, what was the overall trend in immigration