Specifically, what problem is 100 years old? Are you referring to the impact on our hospitals, jails, schools, traffic, crime, social services etc?
During the early 1950s, for example, things were so bad, that even Hollywood knew about it and made a movie ( fiction, but based on fact! ) about it.
Pancho Villa, in the early part of the 20th century, made raids into the USA and committed crimes.
History matters; learn some. I'm tired of teaching it, over and over and over and over and OVER again, to those of you who don't know enough of it.