In general, yes, immigration during 1830s to 1840s was vital to the industrialization of America, since it was mostly immigrants who first sought employment in the factories that were an essential element of industrialization.
European Emigration to the U.S. 1851 - 1860
Although the Irish potato blight receded in 1850, the effects of the famine continued to spur Irish emigration into the 20th century. Still facing poverty and disease, the Irish set out for America where they reunited with relatives who had fled at the height of the famine.
They were combined because the people there moved to the new world to get religious freedom. So their goverment and religion was combined.
Hey there,
The men who led the three well-known slave revolts were Nat Turner, Gabriel Posser, and Denmark Vessey.
Amerigo Vespucci, he discovered Rio de Janeiro and Rio de la Plata.