Many banks had invested in the market and faced significant shortfall; several faced insolvency. The Crash also prompted a run on gold deposits, further reducing the amount of deposits banks had on hand. As a result, banks curtailed their lending activities, contributing to an economic slowdown.
Https://15minutehistory.org/2012/12/03/episode-6-effects-of-the-atlantic-slave-trade-on-the-americas/
The answer is “he states that it spread from the middle east” , because first he talks about florence, italy :)
1st optionnn correct me if I’m wrong please