The quotas were filled up by non-traditional nations after the “1965 Immigration Act” switched off the traditional European sources of migration.
I suspect that is part of the problem right there. I heard a rumor that the rats like Ted Kennedy, decided they could never get people to vote for socialism/ communism, so they figured they would get millions of 3rd world minorities here, who WOULD vote for the rats. The rats are evil, and so is the GOP e.