The first main reason was most of the market was based solely on credit, which was stock that was purchased without actual cash, but purchased on credit.
The second factor was the massive pull out by many investors due to a panic that caused the Banks to attempt to purchase these stocks leading to a complete collapse in the market.
Answer:
the phrase began to change, like when the thirteenth, fourteenth and fifteenth amendment became, that made a big change in the meaning of the phrase because now, slaves were free and had rights and were able to vote. Just like women had became able to when it use to be only the white men who were allowed to.