>>214678856
then it was probably some total fiction, overall WASPs were rather indifferent about Poles, mostly because Poles only worked in the lowest positions in heavy industry, sometimes farming (almost all Poles immigrating to the US were illiterate peasants), and these jobs weren't something a WASP guy would take anyway.
I think they might have only had that negative sentiment against Jews, who pushed them out of "good" office jobs, some Irish people, who thanks to their English language could occupy managerial positions, as well as Italians, who would be quite successful with trade, shops, restaurants and such
it's the same like why you now see such a negative sentiment against Indians in the west (because they push whites out of best-paid managerial positions) while people don't even mind Eastern Euros (because they occupy the lowest-paid and hardest jobs like in construction or factories)