No coincidence. 1900 was when the Marxist movement really took off,just starting to be put into practice. They even called themselves “progressives” back then. Also, the birth of the “feminist”/abortionist/eugenics movements,Margaret Sanger etc.
Woodrow Wilson, FDR were right around the corner.
Yes. The difference between my Grandmother, born in 1900, and my Mother, born in 1926, was astounding as to what each believed acceptable.