What event occurred on black tuesday? (1 point)unemployment reached nearly 25 percent.
the federal reserve lowered interest rates.
investors sold more than 16 million shares of stock.
germany stopped reparation payments to the united states.

On Black Tuesday the event that happened was that the investors sold more than 16 million shares of stock. the correct option among all the options that have been already given in the question is the third option. It was the biggest stock market crash that the united States have seen in a single day. The date when this happened was 29th of October in the year 1929.

Ithink its c) the conditions in the factory have never been questioned by the employee.