What were the homeless called before they were "homeless", and what gave rise to the 1980s crisis?

."..I'm going through the NY Times archive, 1900 to present. A few observations: Through most of that period (I've scanned through 1969), "homeless" wasn't a label but a temporary condition. People were "made homeless", usually by some specific mishap or accident, almost always a fire, perhaps a major storm or hurricane...."

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What were the homeless called before they were "homeless", and what gave rise to the 1980s crisis? • r/MKaTH

Because the [Ngram trend for...

@dredmorbius A lot of them were called “bums”.