[W]hy should the Palatine Boors [ie Germans] be suffered to swarm into our Settlements, and by herding together establish their Language and Manners to the Exclusion of ours? Why should Pennsylvania, founded by the English, become a Colony of Aliens, who will shortly be so numerous as to Germanize us instead of our Anglifying them, and will never adopt our Language or Customs, any more than they can acquire our Complexion.
I'm asking you, Benjamin, don't let's be beastly to the Germans.
See also A Plea to James.
The above image represents the distribution of German Americans according to the 2000 census.