Rav Nahman [of Uman] explained what was the problem with a country where the taste and scent and beauty had all gone down. He said the problem was the slaves of a foreign king who had been sent in and ruined everything by means of ugly language, sexual promiscuity, and addiction to bringing lawsuits.
The solution in the story of Rav Nahman was to make a separation.

he did not openly say he was referring to the USA but it seems clearly the implication. That is he was predicting already 200 years ago exactly what is happening today.