DJ Dow Johns below 15000 inevitable if it is worst than 1929

If the crisis is worst than ever before, then 15000 is inevitable.
12000 would be a strong support, but if it will also not hold, then it would be worst than in 1929

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past crisis in 1929 was same - speculations pushed the prise to high and crush were more hard than could be.
30% less export in USA, China and Europe
20% Unemployment
30% people were not able to pay the rent or mortage monthly paymend for their home in last 3 Months

It is gonna be worst than 1929