TIL that "social justice" has been a concept since the 1800s
https://books.google.com/ngrams/graph?content=social+justice&year_start=1800&year_end=2019&corpus=en-2019&smoothing=0
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"progressive" is older than that.
https://books.google.com/ngrams/graph?content=progressive&year_start=1600&year_end=2019&corpus=en-2019&smoothing=50
