Men lost their jobs from the stock market crash and were unemployed everywhere. They lost all their money.
The banks closed because when people lost their job they took money out of the bank and the bank ran out of money.
A drought in the great plains that lasted along time created a dust cloud that covered cars in feet of dust.
Farmers left to cities because their crops were dying because of the dust storms.
when the people of Seattle were unemployed, they used anything they could find to make their homes and so many people had done that they named it hooverville after the president, during the time who was blamed for the depression.