It is now believed that the largest contributing factor to the decline of the Indus Valley civilization was an outbreak of disease--since there were no treatments and the density of the civilization led the disease to spread very quickly.
Answer:
George Mehales, a Greek immigrant who owned a diner in Spartanburg, South Carolina, began investing in the stock market just before the crash
Explanation:
found on
Great Depression - Library of Congresswww.loc.gov